KR20020096843A - Method for dealing goods or service on internet and computer readable record medium on which a program therefor is recorded - Google Patents

Abstract

PURPOSE: A method for a bargain transaction using the Internet and a recording medium capable of being read by a computer having a program for executing the same are provided to induce an active transaction by enabling a seller to register a wanted property or service and enabling a buyer to bargain with the seller about a price, a payment unit, a delivery method, etc. with respect to a wanted property or service using the Internet, thereby deriving a negotiation of a transaction concerned person. CONSTITUTION: A buyer and a seller perform a member joining process of an operator site by transmitting personal information to a CPU through the Internet, respectively(S2). The seller registers a wanted property or service to be sold in accordance with a classification standard pre-set by the operator using one's computer(S4). If the buyer inputs a property or service to be searched on a commodity search screen using one's computer, and selects a search button, the CPU transmits commodity information pre-stored in a commodity information DB of a data storage(S6). The buyer negotiates with a seller who supplies the searched property or service through each computer about a purchase price, a payment unit, a delivery method, etc.(S8). If the negotiation is achieved with success, the data storage stores the order information and negotiation details(S10).

Description

Method for dealing goods or service on internet and computer readable record medium on which a program therefor is recorded}

The present invention relates to a bargain transaction method using the Internet and a computer-readable recording medium recording a program for executing the same. More particularly, the seller registers the goods or services and the purchaser registers a plurality of registered services. Negotiate the price, payment method, delivery method, etc. with the seller who registered it for the goods or services that you want to purchase among the goods or services, and, if mutual bargaining is established, broker the transaction stably until settlement, shipping, return, refund, and transaction termination. In addition, when a purchaser registers an item that he / she wants to purchase, the seller can start a bargaining and go through the above-described bargaining process to securely broker the transaction. It relates to a recording medium.

In relation to commodity transactions using information and communication networks, a number of patent applications have been filed in addition to Korean Patent Publication No. 2001-0027128, "Product Sales System and Method through Internet."

The present invention, if the purchaser is connected via the Internet network using a communication device, the intermediate server displays one or more product information sold by the affiliated seller; When the buyer selects one product, transmitting the identification code representing the product and the product code of the selected product to the sales server of the seller through the Internet; Receiving, by the sales server, the identification code and the product code in a database, and displaying information on the selected product; And when the buyer orders the product, the sales server determines whether an identification code is stored in a database, and if the identification code is stored, recording the ordered product as a sales result of an intermediary server having the identification code. step; It includes.

However, the 'product sales system and method through the Internet' is a product buyer, after searching the product information provided from the sales server, and then purchases the product at the price suggested by the product information bar buyers There was a problem that you can not purchase the item he wants at the price he wants.

An object of the present invention is to solve the above problems, the seller registers the goods or services that the seller wants to sell using the Internet, and the buyer and the price, payment means and delivery method for the goods or services that the buyer wants to purchase. In order to negotiate, it is to induce active trade by drawing up negotiations and trade-offs of trading parties.

Still another object of the present invention is to ensure that transactions are established quickly and accurately by transmitting and processing the information generated during the bargaining process to both parties in real time by e-mail or WAP.

1 is an exemplary view of an information communication system to which the present invention is applied.

2 is an overall flowchart of a bargaining method using the Internet according to an embodiment of the present invention.

Figure 3 is an exemplary view of the initial screen of the operator site according to an embodiment of the present invention.

4 is an exemplary view of a product search screen according to an embodiment of the present invention.

5 is a detailed flowchart of a bargaining transaction stage according to an embodiment of the present invention.

6 is an exemplary view of a selection item information providing screen according to an embodiment of the present invention.

7 is an exemplary view of a purchase bargain screen in accordance with an embodiment of the present invention.

8 is an exemplary view of a sale bargain screen in accordance with an embodiment of the present invention.

9 is an exemplary view of a sales condition information screen according to an embodiment of the present invention.

10 is an exemplary view of the order screen in accordance with an embodiment of the present invention.

11 is an exemplary view of the order information confirmation screen according to an embodiment of the present invention.

12 is an exemplary view of a batch purchase request screen according to an embodiment of the present invention.

In order to achieve the above object, the present invention provides a bargain trading method using the Internet, the operator server receiving a selection signal of goods or services that a purchaser wants to purchase from a purchaser computer; Transmitting, by the operator server, information on the goods or services selected by the purchaser from among previously stored item information to the purchaser computer; The operator server receiving a purchase offer signal from the purchaser computer; Receiving, by the operator server, purchase condition information including a desired purchase price, bargaining contents, etc. from the purchaser computer; Transmitting, by the operator server, the purchase condition information to a seller computer, and receiving the sale condition information including whether to accept the purchase condition from the seller computer, additional sale conditions, etc .; The operator server determining whether the seller has accepted the purchase condition of the purchaser, and if the seller has not accepted the purchase condition, transmitting the sale condition information to the purchaser computer; Receiving, by the operator server, additional purchase conditions including whether to accept the terms of sale for the goods or services to be purchased from the purchaser's computer, and additional requirements and messages if the terms of sale are not accepted; When the operator server determines whether the purchaser has accepted the seller's sales condition and accepts the sales condition, the operator server transmitting an order to the purchaser computer; The operator server receiving order information from the purchaser computer; If the operator server does not accept the sale condition by determining whether the purchaser has accepted the sale condition of the seller, the operator server determines whether the purchaser has given up the purchase, and does not give up the purchase. Returning, by the operator server, to the purchaser's computer, the purchase condition information including the desired purchase price, bargaining contents, etc. from the purchaser computer; And the operator server determining whether the seller has accepted the purchase condition of the purchaser, and if the seller has accepted the purchase condition, executing the procedure by the operator server transmitting an order to the purchaser computer. It includes.

Preferably, after the operator server transmits the information on the goods or services selected by the purchaser from among the pre-stored item information to the purchaser computer, the operator server wishes to purchase a batch from the purchaser computer. Receiving a selection signal of a service; And after the operator server assigns a unique number to the selected goods or services for which the collective purchase is desired, the operator server receiving purchase condition information including a desired purchase price, bargaining contents, etc. from the purchaser computer. Implementing the step; It characterized in that it further comprises.

On the other hand, the present invention provides a bargain transaction method using the Internet, the operator server receiving a selection signal of goods or services that the purchaser wants to purchase from the purchaser computer; A function of transmitting, by the operator server, information on goods or services selected by the purchaser from among pre-stored item information to the purchaser computer; The operator server receiving a purchase offer signal from the purchaser computer; Receiving, by the operator server, purchase condition information including a desired purchase price, bargaining contents, etc. from the purchaser computer; Transmitting, by the operator server, the purchase condition information to a seller computer, and receiving the sale condition information including whether to accept the purchase condition from the seller computer and additional selling conditions, etc .; The operator server determines whether the seller has accepted the purchase condition of the purchaser, and if the seller has not accepted the purchase condition, the operator server transmitting the sale condition information to the purchaser computer; A function of receiving, by the operator server, additional purchase conditions including whether to accept the terms of sale relating to the goods or services to be purchased from the purchaser's computer, and additional requirements and messages if the terms of sale are not accepted; A function of the operator server transmitting an order to the purchaser computer when the operator server determines whether the purchaser has accepted the sale condition of the seller and accepts the sale condition; The operator server receiving order information from the purchaser computer; If the operator server does not accept the sale condition by determining whether the purchaser has accepted the sale condition of the seller, the operator server determines whether the purchaser has given up the purchase, and does not give up the purchase. A function of the operator server returning to the function of receiving purchase condition information including a desired purchase price, bargaining contents, etc. from the purchaser computer; And the operator server determines whether the seller has accepted the purchase condition of the purchaser, and if the seller accepts the purchase condition, the operator server transmits an order to the purchaser computer. And a computer readable recording medium having recorded thereon a program for realizing this.

Preferably, after the operator server transmits the information on the goods or services selected by the purchaser among the pre-stored item information to the purchaser's computer, the operator server wishes to collectively purchase from the purchaser's computer. Receiving a selection signal of a service; And after the operator server assigns a unique number to the selected goods or services for which the collective purchase is desired, the operator server receives purchase condition information including a desired purchase price, bargaining contents, etc. from the purchaser computer. The ability to implement; And a computer readable recording medium having recorded thereon a program for further realization thereof.

Hereinafter, definitions of terms used in one embodiment of the present invention are as follows.

The bargaining method is a way for sellers and buyers to present each other's terms such as price, delivery, and payment method, and to accept, resubmit, and reject. It means the same method as implemented through the Internet.

In addition, a secure transaction service is a case in which direct payments are made and payments are not received and goods or services are not received and goods or services are sent and payments are not received. It refers to a transaction brokerage service in which the buyer receives the goods or services after payment is received and the seller sends the goods or services, and the seller pays the sales price after the transaction is completed.

In addition, purchase bargaining means that the purchaser transmits a purchase intention to the seller for the goods or services.

A bargain acceptance is an act by which the buyer or seller accepts the other party's bargain, and the buyer can accept the bargain and purchase the bargain goods or services immediately upon the completion of the bargain, and after the seller has accepted the bargain, the buyer It means the purchase of goods or services at bargained prices.

In addition, re-bargaining means that the buyer or seller does not accept the other party's bargain and offers another condition to bargain again.

In addition, bargain cancellation means that the buyer or seller refuses to bargain.

In the case of a bargain sale, the seller who registered the goods or services shall provide the buyer with his or her goods or services when a message or intention indicating that the purchaser wishes to purchase any goods or services is displayed on the operator site related to the present invention. Refers to the act of introducing and offering to sell.

Hereinafter, with reference to the accompanying drawings will be described in more detail the present invention.

1 is an exemplary view of an information communication system to which the present invention is applied.

As shown in the figure, an information communication system to which the present invention is applied includes an internet network 100, a plurality of purchaser computers 200, an operator server 300, and a plurality of seller computers 400.

The internet network 100 includes a wired internet network of TCP / IP protocol and a wireless internet network such as WAP protocol.

In addition, the operator server 300 includes a central processing unit 310, a data storage device 320, a memory device 330 including RAM and ROM, an operating system 340, and a display device not shown in the drawing. .

The central processing unit 310 must be able to execute a large number of mathematical calculations and examine a database when exchanging information with a large amount of business. Generally, a 32-bit Intel 100MHz P54C, Motorola 120MHz PowerPC604 or Sun Micro It is preferably a central processing unit of the system's 166 MHz UltraSPARC-1 family or higher.

The data storage device 320 includes a member DB, a product information DB, a bargain transaction DB, and is generally used to create and manage the DB by data software manufactured by Oracle Corporation.

The member DB stores basic information such as names, addresses, mobile phone numbers, and e-mail addresses of the purchasers and sellers.

The article information DB stores information including a name, a price, a payment method, and the like regarding goods or services to be sold by the seller.

The bargaining transaction DB stores information including bargaining contents and bargaining results between the buyer and the seller.

In addition, the purchaser computer 200 and the seller computer 400 include a display device not shown in the drawing, and like the operator server 300, the purchaser computer 200 and the seller computer 400 include a central processing unit, a data storage device, a memory device, and an operating system. have.

In addition, the purchaser computer 200 and the seller computer 400 as a communication computer device having an Internet browser capable of displaying web content, and a mobile computer capable of wireless Internet communication as well as personal computers such as desktop computers, notebook computers, etc. Telephones, personal digital assistants (PDAs), IMT2000, and the like.

In addition, the purchaser computer 200 and the seller computer 400 preferably include at least a Pentium-class central processing unit, a 64Mb or more memory device, an operating system of Windows 98 or more, and the like. In the present embodiment, the purchaser computer 200 and the seller computer 400 are limited to the case of a personal computer, but the present invention is not limited thereto.

Referring to Figures 2 to 4 the overall flow according to an embodiment of the present invention will be described.

2 is an overall flowchart of a bargaining method using the Internet according to an embodiment of the present invention, Figure 3 is an exemplary view of the initial screen of the operator site according to an embodiment of the present invention, Figure 4 is a present invention An example of the article search screen according to an embodiment of the.

When the purchaser and the seller use their computer to access the operator server 300 related to the present invention, the central processing unit 310 displays the initial screen of the operator site according to the embodiment of the present invention illustrated in FIG. The purchaser and the seller transmit their basic information through the internet network 100 using their computer, and the central processing unit 310 receives it and stores it in the member DB of the data storage device 320. By doing so, the membership site of the operator site related to the present invention is performed (S2).

In the present embodiment, the basic information of the purchaser or seller stored in the member DB by the step S2 includes the name, address, mobile phone number, e-mail address, etc. of the purchaser or seller, or the present invention is limited thereto. no.

As illustrated in FIG. 3, an initial screen of an operator site according to an embodiment of the present invention is a 'login' icon for registering a member in the upper right corner, for managing all details related to sales, purchases, and bargaining of members. My Change 'button, the' item registration 'button to register the goods or services for sale or purchase by the seller or the purchaser to the operator server 300 and the sale display on the operator server 300, or the purchase desire registration It includes a 'search for goods' button for searching for the purchased goods or services, and a list of goods list for classifying the goods or services already registered by the seller in the center.

The registered seller registers the goods or services that he or she intends to sell to the operator server 320 according to the classification criteria set by the operator using his computer 400, and the data storage device 320 The registration information about the goods or services is stored in the article information DB (S4).

In the present embodiment, the registered information stored in the data storage device 320 includes a product name, a manufacturer, a purchase date, a product state, a purchase price, a selling price, a mailing method, a sales quantity, a payment method, bargainability, and product detail information. The invention is not limited thereto.

In addition, in the present embodiment, whether the bargain is possible or not can be purchased only at the sale price input by the seller, or at the bargain price, and the seller price input by the seller. The 'non-bargain' radio button, which is impossible to bargain with the article, and the 'buy only after bargain' radio button, in which the purchaser cannot purchase the item immediately and can only purchase after bargaining with the seller, but the present invention is limited thereto. It doesn't happen.

The purchaser who signed up using his computer 200 enters the goods or services he wants to search on the article search screen illustrated in FIG. 4, and then selects a 'search' button. The device 310 transmits the item information previously stored in the item information DB of the data storage device 320 to the purchaser computer 200 to allow the purchaser to search for the item (S6).

The purchaser who has searched for goods in the step S6 performs a bargaining transaction regarding a purchase price, a payment method, a delivery method, and the like through the respective computers 200 and 400 with the seller providing the goods or services to be purchased. (S8).

If bargaining between the purchaser and the seller is successful, the data storage device 320 stores order information and bargaining details of the bargain transaction (S10).

The step S8 of FIG. 2 will be described in detail with reference to FIGS. 5 through 12 as follows.

5 is a detailed flowchart illustrating a bargaining transaction step according to an embodiment of the present invention, FIG. 6 is an exemplary view of a screen for providing optional item information according to an embodiment of the present invention, and FIG. 7 is an embodiment of the present invention. 8 is an example of a sale bargain screen according to an example, FIG. 8 is an example of a sale bargain screen according to an embodiment of the present invention, and FIG. 9 is an example of a sale condition information screen according to an embodiment of the present invention. 10 is an example of an order form screen according to an embodiment of the present invention, Figure 11 is an illustration of an order information confirmation screen according to an embodiment of the present invention, Figure 12 is an embodiment of the present invention One example of a batch purchase application screen according to an embodiment.

The purchaser accesses the operator site using his computer 200, selects the 'login' icon on the initial screen of the operator site, and enters an ID and password on the login screen transmitted from the central processing unit 310. To perform a login step (S12).

The central processing unit 310 receives a purchase article selection signal from the purchaser computer 200 (S14).

The central processing unit 310 stores the information on goods or services selected by the purchaser from among the product information previously stored in the product information DB of the data storage device 320 in the format illustrated in FIG. 6. (S16).

As illustrated in FIG. 6, the optional item information providing screen includes an information providing part including additional information such as name of a shoe or a service, a selling price, a payment method, a mailing method, bargaining, etc. 'Bargain' button and 'other items of the seller' selection linked to the seller's other item information registered.

The CPU 310 determines whether the selection signal of the 'other goods of the seller' selection unit has been received from the purchaser computer 200 (S18).

As a result of the determination in step S18, when the selection signal of the 'other goods of the seller' selection unit is not received, the central processing unit 310 receives the 'purchase bargain' button selection signal of FIG. 6 from the purchaser computer 200. Receive (S20).

The CPU 310 transmits the purchase bargain screen illustrated in FIG. 7 to the purchaser computer 200, and receives purchase condition information including a desired purchase price, bargaining contents, etc., from the purchaser computer 200. (S22).

The central processing unit 310 transmits the sales promotion screen of FIG. 8 including the purchase condition information to the seller computer 400, and accepts or does not accept the purchase condition from the seller computer 400. In case of receiving the sales condition information including the additional sales conditions (S24).

The CPU 310 determines whether the sales condition information has been received after a predetermined period of time set by the operator (S26).

In the present embodiment, it is determined that the predetermined period of time of the central processing unit 310 is made when the sales condition information is received from the seller computer 400. However, the present invention is not limited thereto. The device 310 may determine whether a predetermined period has elapsed regardless of whether the seller condition information is received from the seller computer 400.

In addition, in the present embodiment, the predetermined period is limited to seven days, but the present invention is not limited thereto.

As a result of the determination in step S26, when the predetermined period has elapsed, the central processing unit 310 terminates the system of the bargaining transaction step according to an embodiment of the present invention, and when the predetermined period has not elapsed, the central The processing apparatus 310 determines whether the seller has accepted the purchase condition of the purchaser using the sale condition information received in the step S24 (S28).

As a result of the determination in step S28, when the seller does not accept the purchase condition, the central processing unit 310 determines whether the seller rejects the sale using the sales condition information received in the step S24. (S30).

As a result of the determination in step S30, when the seller rejects the sale, the CPU 310 terminates the system of the bargaining transaction step according to an embodiment of the present invention, and the seller does not reject the sale. In this case, the CPU 310 transmits the sales condition information screen illustrated in FIG. 9 to the purchaser computer 200 (S32).

The central processing unit 310 receives from the purchaser computer 200 additional purchase conditions including whether to accept the terms of sale for the goods or services to be purchased, and additional requirements and messages if the terms of sale are not accepted. (S34).

The CPU 310 determines whether the selling condition information is received after a predetermined period of time set by the operator (S36).

In this embodiment, as in step S26, the determination whether the predetermined period of time of the central processing unit 310 has elapsed is made when the additional purchase condition information is received from the purchaser computer 200. Although not limited, the CPU 310 may determine whether a predetermined period has elapsed regardless of whether additional purchase condition information is received from the purchaser computer 200.

In addition, in this embodiment, the predetermined period is limited to seven days, as in step S26, but the present invention is not limited thereto.

As a result of the determination in step S36, when a predetermined period has elapsed, the central processing unit 310 terminates the bargaining transaction system according to an embodiment of the present invention, and when the predetermined period has not elapsed, the central The processing apparatus 310 determines whether the purchaser has accepted the selling condition of the seller using the additional purchase condition received in the step S34 (S38).

As a result of the determination in step S38, when the sales condition is accepted, the central processing unit 310 transmits the order document illustrated in FIG. 10 to the purchaser computer 200 (S40).

When the purchaser prepares the order form of FIG. 10 using his computer 200 and transmits the order form to the central processing unit 310, the central processing unit 310 receives the order information from the purchaser computer 200. (S42).

The central processing unit 310 transmits the order information confirmation screen illustrated in FIG. 11 to the purchaser computer 200 (S44).

The order information confirmation screen includes a payment confirmation display unit, a 'deposit confirmation certificate / address change' icon for changing the deposit information and the destination information, and a purchase contents display unit for displaying the name of the shoe or service purchased, the seller, the deposit information, and the purchase date. Include.

The central processing unit 310 determines whether a 'deposit confirmation / address change' icon selection signal has been received from the purchaser computer 200 to determine whether the purchaser wishes to modify the order contents (S46). .

As a result of the determination in step S46, when the purchaser does not want to modify, the central processing unit 310 terminates the bargaining transaction system according to an embodiment of the present invention, and the buyer decides to correct. If desired, the CPU 310 returns to step S40.

As a result of the determination in the step S38, if the sales condition is not accepted, the CPU 310 determines whether the purchaser has abandoned the purchase by using the additional purchase condition received in the step S34, and makes a purchase. If you do not give up, the central processing unit 310 returns to step S22, and if the purchase is abandoned, the central processing unit 310 terminates the system of the bargaining transaction stage according to an embodiment of the present invention. (S48).

As a result of the determination in step S28, when the seller accepts the purchase condition, the CPU 310 executes the procedure in step S40.

As a result of the determination in step S18, when the selection signal of the 'other goods of the seller' selection unit is received, the central processing unit 310 transmits the batch purchase request screen illustrated in FIG. 12 to the purchaser computer 200. Then, by receiving a check box selection signal from the purchaser computer 200, it is determined whether the purchaser wishes to purchase a batch (S50).

As a result of the determination in step S50, when the user does not want to make a bulk purchase, the central processing unit 310 performs the procedure to the step S22, and when the user wants to make a bulk purchase, the collective purchase Receive the selection signal of the goods or services desired (S52).

The central processing unit 310 assigns a unique number to the selected goods or services for which the collective purchase is desired, and then proceeds to step S22 (S54).

By using the collective purchase step, transactions for multiple goods or services can be processed by deposit and delivery with just one bargain, making it convenient for both buyers and sellers, Divided into goods or service information, you can check receipt and request a return.

The present invention is not limited to the above-described embodiment, but if the purchaser does not register the desired goods or services using his computer, he / she may select the desired price, state and other matters of the desired goods or services. A seller who registers a purchase at an operator site related to the present invention and wants to sell similar services may register a sale of the goods or services with his computer and then make a sale deal with the purchaser.

In addition, the present invention is not limited to the above-described embodiment, the operator can set the operator server 300 so that the bargain in progress is automatically canceled when the seller modifies the goods or the service information or deletes the goods or the services during the bargain. have. By doing so, it is possible to prevent misunderstandings between sellers and buyers, which can occur after bargaining, by realizing equalization of goods or service information before and after bargaining.

In addition, in the above-described embodiment, the purchaser and the seller are limited to bargaining one-to-one, but the present invention is not limited thereto, and one seller negotiates with several buyers for the same goods or services, and is satisfied during the bargaining. The operator server 300 may be set to sell goods or services to a purchaser who has offered a bargaining condition. In addition, when one of several purchasers makes a purchase, the operator server 300 may be set to automatically cancel all other buyers and bargaining in progress. However, if there is more than one quantity, bargaining may continue until the quantity is exhausted.

The present invention can be embodied as computer readable codes on a computer readable recording medium. The computer-readable recording medium includes all kinds of recording devices in which data that can be read by a computer system is stored. Examples of computer-readable recording media include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage, and the like, and also include those implemented in the form of carrier waves such as transmission over the Internet. . The computer readable recording medium can also be distributed over network coupled computer systems so that the computer readable code is stored and executed in a distributed fashion.

According to the present invention as described above, after the seller registers the goods or services for sale, the buyer who wishes to purchase can bargain with the seller, so that both the buyer and the seller are satisfied with their dealings through bargaining. As trading becomes possible, electronic commerce is activated.

In addition, according to the present invention as described above, it is possible to remove a large number of risk factors (for example, unpaid, unsent, returned, refunded, etc.) that can occur during direct transactions between individuals, both the seller and the buyer to perform a safe e-commerce There is also an effect that can be done.

If there are several goods or services registered by the seller for sale, the purchaser can select only those goods or services among the goods or services for sale and purchase and bargain. There is also an effect.

Claims (4)

In the bargaining transaction method using the Internet including a member DB, a product information DB, a bargain transaction DB, a plurality of purchaser computers and a plurality of seller computers are connected to an operator server through an internet network. Receiving, by the operator server, a selection signal of goods or services which the purchaser wants to purchase from the purchaser computer (S14); Transmitting, by the operator server, information on goods or services selected by the purchaser from among previously stored item information to the purchaser computer (S16); Receiving, by the operator server, a purchase bargain signal from the purchaser computer (S20); Receiving, by the operator server, purchase condition information including a desired purchase price and bargain contents from the purchaser computer (S22); Transmitting, by the operator server, the purchase condition information to a seller computer, and receiving the sale condition information including additional sale conditions from the seller computer, if the purchase condition is not accepted or not; The operator server determines whether the seller has accepted the purchase condition of the purchaser (S28), and if the seller does not accept the purchase condition, the operator server transmits the sale condition information to the purchaser computer (S32). ); Receiving, by the operator server, from the purchaser's computer whether or not to accept the terms of sale for the goods or services to be purchased, if the terms of sale are not accepted, additional conditions of purchase including additional requirements and messages (S34); Determining, by the operator server, whether the purchaser has accepted the seller's sales condition (S38), and if the operator accepts the sales condition, the operator server transmitting an order to the purchaser computer (S40); Receiving (S42) the operator server from the purchaser computer; If the operator server determines whether the purchaser has accepted the seller's sale condition (S38) and does not accept the sale condition, the operator server determines whether the purchaser has given up the purchase and does not give up the purchase. If the operator server returns to step S22 of receiving purchase condition information including a desired purchase price and bargain contents from the purchaser computer (S48); And The operator server determines whether the seller has accepted the purchase condition of the purchaser (S28), and when the seller has accepted the purchase condition, the operator server transmits an order to the purchaser computer (S40). Implementing the step; Bargaining method using the Internet comprising a. The method of claim 1, After the operator server transmits the information on the goods or services selected by the purchaser among the pre-stored item information to the purchaser computer (S16), Receiving, by the operator server, a selection signal of goods or services desired for collective purchase from the purchaser computer (S52); And After the operator server assigns a unique number to the selected goods or services for which the collective purchase is desired, the operator server receives purchase condition information including a desired purchase price and bargain contents from the purchaser computer (S22). Implementing the procedure (S54); Bargaining method using the Internet, characterized in that it further comprises. In order to provide a bargaining method using the Internet, Receiving, by the operator server, a selection signal of goods or services that the purchaser wants to purchase from the purchaser computer; A function of transmitting, by the operator server, information on goods or services selected by the purchaser from among pre-stored item information to the purchaser computer; The operator server receiving a purchase offer signal from the purchaser computer; Receiving, by the operator server, purchase condition information including a desired purchase price and bargain contents from the purchaser computer; Transmitting, by the operator server, the purchase condition information to a seller computer, and receiving, from the seller computer, the sale condition information including additional sale conditions if the purchase condition is accepted or not; The operator server determines whether the seller has accepted the purchase condition of the purchaser, and if the seller has not accepted the purchase condition, the operator server transmitting the sale condition information to the purchaser computer; Receiving, by the operator server, from the purchaser's computer whether or not to accept the terms of sale relating to the goods or services to be purchased, and additional terms and conditions including additional requirements and messages if the terms of sale are not accepted; A function of the operator server transmitting an order to the purchaser computer when the operator server determines whether the purchaser has accepted the sale condition of the seller and accepts the sale condition; The operator server receiving order information from the purchaser computer; If the operator server does not accept the sale condition by determining whether the purchaser has accepted the sale condition of the seller, the operator server determines whether the purchaser has given up the purchase, and does not give up the purchase. A function of returning, by an operator server, to the function of receiving purchase condition information including a desired purchase price and bargain contents from the purchaser computer; And The operator server determining whether the seller has accepted the purchase condition of the purchaser, and if the seller has accepted the purchase condition, executing the procedure by the operator server transmitting an order to the purchaser computer; A computer-readable recording medium having recorded thereon a program for realizing this. The method of claim 3, wherein After the operator server transmits the information about the goods or services selected by the purchaser among the pre-stored item information to the purchaser computer, A function for the operator server to receive a selection signal of goods or services which are desired to be collectively purchased from the purchaser computer; And After the operator server assigns a unique number to the selected goods or services for which the collective purchase is desired, the operator server executes the procedure to receive the purchase condition information including the desired purchase price and bargain contents from the purchaser computer. Function; A computer-readable recording medium that records a program for further realization.