KR20030021950A - Method for constructing CRM database using electronic cash service - Google Patents

Abstract

PURPOSE: A method for constructing a CRM(Customer Relationship Management) database using an electronic money service is provided to use purchase action data for a database marketing and a CRM activity by effectively collecting the purchase action data of clients who pay a purchase price using the electronic money in an Internet shopping mall and an off-line store. CONSTITUTION: A client who issued an electronic money connects to a web site of a member shopping mall server using a terminal(S102), inquires various kinds of commodities, registers a purchase order of a specific commodity, and inputs one's electronic money payment identifier(S104). The member shopping mall server transmits the inputted electronic money payment identifier, purchase price information, and member store information to an electronic money service server, and requests a payment(S106). The electronic money service server receives the transmitted information, executes a payment process, and informs payment completion to the corresponding member shopping mall server(S108). The electronic money service server extracts the identifier of the client, extracts additional information of the corresponding shopping mall from a shopping mall identification, transmits the identifier of the client, the shopping mall identification, and purchase price information to a CRM server(S110), and the CRM server stores the transmitted information in a CRM DB(S112). After the payment is completed, the member shopping mall server transmits a commodity identification and commodity information to the CRM server(S114), and the CRM server matches the information with stored electronic money payment information and stores the information in the CRM DB(S116).

Description

Method for constructing CRM database using electronic cash service

The present invention relates to a method for collecting purchase behavior data of a customer using data communication, and more particularly, to collect purchase behavior data of a customer who pays for a purchase price using electronic money commonly used both online and offline. To a database.

In general, the marketing paradigm is rapidly changing due to the spread of the Internet and the rapid development of information technology, and mass marketing can no longer satisfy customers.

As the environment changes, database marketing is emerging as a new marketing trend, and in the future, who is building a database of high-quality prospects and existing customers is expected to determine the life and death of the marketing competition.

The importance of Customer Relationship Management (CRM) has already emerged, and various CRM solutions and methods have been proposed to meet customer needs and improve satisfaction by providing customized products and services to customers. The company wants to identify each customer's transactions one by one and analyze the customer's disposition and behavior type as the basic data for marketing.

However, in the conventional offline commerce, it was practically impossible to collect customer's purchase behavior data. As an alternative, the customer's disposition was indirectly identified through a survey such as a questionnaire.

Recently, with the rapid spread of Internet commerce, which enables commerce through the exchange of data such as electronic documents, it is possible to easily collect customer's purchase behavior data, but most companies purchase customer's purchase behavior data from commerce websites. It does not overcome the limitation of collecting and utilizing the bay closedly.

The present invention was devised in view of the above points, and according to the development of information technology and stable expansion of infrastructure, the use of electronic money service in online shopping malls and offline shops has been expanded. The purpose is to provide a way to build a database that can be used for database marketing and CRM activities by efficiently collecting purchase behavior data of customers who pay for purchases as money.

Other objects and advantages of the invention will be described below and will be appreciated by the practice of the invention. Furthermore, the objects and advantages of the present invention can be realized by means and combinations indicated in the appended claims.

The following drawings attached to this specification are illustrative of preferred embodiments of the present invention, and together with the detailed description of the invention to serve to further understand the technical spirit of the present invention, the present invention is a matter described in such drawings It should not be construed as limited to

1 is a diagram showing an example of a network system configuration when the CRM database construction method using the electronic money service according to the present invention is applied to Internet commerce.

2 is a diagram showing an example of the configuration of a CRM DB in the network system of FIG. 1 according to the present invention.

3 is a flowchart illustrating a process of implementing a CRM database construction method using an electronic money service applied to Internet commerce according to the present invention.

4 is a diagram illustrating an example of a network system configuration when the CRM database construction method using the electronic money service according to the present invention is applied to offline commerce.

5 is a flowchart illustrating a process of implementing a CRM database construction method using an electronic money service applied to offline commerce according to the present invention.

<Description of main reference numerals in the drawings>

10: customer terminal 20: affiliate shopping mall server

30: electronic money service server 35a: customer information DB

35b: Merchant Information DB 40: CRM Server

45: CRM DB 50: network

60: electronic money card 70: credit card inquiry machine

72: POS terminal 74: central computer system

80: VAN company server

CRM database construction method using the electronic money service according to the first aspect of the present invention for achieving the above object, by collecting the customer's purchase behavior data using the electronic money service to create a database for database marketing and CRM activities As a construction method, a terminal of a customer side, an electronic money service server for receiving identification information from the customer, issuing electronic money and approving and processing the use of the issued electronic money, and an internet shopping mall which is an affiliate store of the electronic money A network system comprising an Internet shopping mall server for operating a network, a CRM server for managing a CRM database for collecting and storing the purchase behavior data of the customer, and a network for supporting data communication, wherein the customer uses the terminal. Purchase order for a certain product in the internet shopping mall Steps to enter the e-money payment identifier, such as your e-currency account number for payment of the purchase price; Transmitting, by the Internet shopping mall, the electronic money payment identifier, its identification information, and purchase price information to the electronic money service server, and requesting payment of the corresponding purchase price; Receiving, by the electronic money service server, information transmitted and executing payment of a requested purchase price; Extracting, by the electronic money service server, identification information of the corresponding customer corresponding to the electronic money payment identifier from the database; Transmitting, by the electronic money service server, electronic money payment information including extracted purchase customer identification information, internet shopping mall information, and purchase price information to the CRM server; Storing the electronic money payment information transmitted by the CRM server in the CRM database; Transmitting product information such as product identification information and quantity of goods purchased by the Internet shopping mall to the CRM server; And storing the product information transmitted by the CRM server by matching the stored electronic money payment information. It includes.

In addition, the CRM database construction method using the electronic money service according to the second aspect of the present invention for achieving the above object, is required for database marketing and CRM activities by collecting the purchase behavior data of the customer using the electronic money service A method of constructing a database, comprising: a terminal on a client side, an electronic money service server for receiving identification information from the customer, issuing electronic money, and approving and processing use of the issued electronic money; and a merchant for the electronic money. In a network system comprising an internet shopping mall server for operating an internet shopping mall, a CRM server for managing a CRM database for collecting and storing the purchase behavior data of the customer, and a network network supporting data communication, the customer uses a terminal. Purchase order for a specific product in the Internet shopping mall Registering a statement and inputting an electronic money payment identifier such as an electronic money account number for payment of a purchase price; Transmitting, by the Internet shopping mall, the electronic money payment identifier, its identification information, purchase price information, and purchased product information to the electronic money service server and requesting payment of a purchase price; Receiving information transmitted from the electronic money service server and executing payment of a requested purchase price; extracting, by the electronic money service server, identification information of a corresponding customer corresponding to the payment electronic money payment identifier from a database; Transmitting electronic money payment information and purchased product information including the purchase customer identification information, the Internet shopping mall information, and the purchase price information, which are extracted by the electronic money service server, to the CRM server; And storing, by the CRM server, electronic money payment information and purchased product information in the CRM database. It includes.

Furthermore, the CRM database construction method using the electronic money service according to the third aspect of the present invention for achieving the above object, is required for database marketing and CRM activities by collecting the purchase behavior data of the customer using the electronic money service A method of constructing a database, comprising: a customer's electronic money card, a credit card checker provided in an offline merchant that can use the electronic money, a central computer system connected to a POS terminal and a POS terminal, and identification information to the customer. An electronic money service server that receives input, issues electronic money, provides a card for its use, approves and processes the use of the issued electronic money, and a CRM server that manages a CRM database that collects and stores the purchase behavior data of the customer. Network consisting of a network supporting data communication In the system, the step in the offline merchant of the goods information to the customers wish to purchase is input to the POS terminal; Inputting purchase price information of the product and the electronic money card identifier of the customer into the credit card inquiry device; Transmitting the purchase price information, the electronic money card identifier, and its affiliated store identification information to the electronic money service server through the VAN system and requesting payment of the purchase price; Executing the payment of the requested purchase price by the electronic money service server; Extracting, by the electronic money service server, identification information of the corresponding customer corresponding to the payment electronic money card identifier from a database; Transmitting electronic money payment information including purchase customer identification information, affiliated store identification information, and purchase price information extracted by the electronic money service server to the CRM server; Storing the electronic money payment information transmitted by the CRM server in the CRM database; Transmitting the product information inputted to the POS terminal to the central computer system in the affiliated store and storing the product information; Transmitting, by the central computer system, product information to the CRM server; And storing the product information transmitted by the CRM server by matching the stored electronic money payment information. It includes.

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

Prior to this, terms or words used in the specification and claims should not be construed as having a conventional or dictionary meaning, and the inventors should properly explain the concept of terms in order to best explain their own invention. Based on the principle that can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention.

Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

Although the present invention is applied to both internet commerce and offline commerce, each case is separately described for convenience of explanation, and first, the case is applied to internet commerce (e-commerce).

1 is a diagram showing an example of a network system configuration when the CRM database construction method using the electronic money service according to the present invention is applied to Internet commerce.

The network system is a CRM that manages a plurality of customer terminals 10, a plurality of affiliated shopping mall servers 20, an electronic money service server 30, and a customer relationship management data base (CRM DB) 45. It consists of a network 40 which mutually interconnects the server 40 and these components.

The electronic money service server 30 is a server computer system for issuing electronic money to a customer and approving and processing the use of the issued electronic money. The electronic money service server 30 stores information on a plurality of Internet shopping malls 20, which are electronic money affiliated stores, with merchant information DB 35b. )

In addition, the electronic money service server 30 stores the identification information of the customer who issued the electronic money in the customer information DB 35a, and stores an identifier such as an account number of the issued electronic money for the customer.

Preferably, the electronic money can be purchased or charged by the customer in advance or postpaid, the electronic money purchased by the customer as real money is stored in the storage space, such as an electronic wallet provided in the electronic money service server (30).

In addition, a card provided with an identifier or an identifier included in the magnetic part for use of the issued electronic money is provided to the customer, and the card is used through an inquiry device such as a credit card inquiry machine.

Of course, in the case of Internet commerce, only an identifier such as an electronic money account number needs to be input, so a special type of card may not be provided as long as the customer can remember it.

The affiliate shopping mall server 20 is a server computer system for operating an internet shopping mall that can use electronic money issued by the electronic money service server 30, and implements a shopping mall website represented by a specific URL on the Internet.

The customer terminal 10 is an internet-enabled computer system for a customer that receives an electronic money, and is used to purchase a desired product as an electronic money by accessing the internet shopping mall 20.

The customer terminal 10 may be preferably a desktop computer or a laptop computer connected to a wired communication network, but is not limited thereto. Various mobile communication terminals and PDAs (Personal Digital Assistants) capable of wireless Internet access using a wireless communication network may be used. May be

Therefore, the affiliated shopping mall server 20 and the electronic money service server 30 to which the customer terminal 10 connects can implement a website for wireless internet as well as wired.

As described below, the CRM server 40 matches the electronic money payment information transmitted from the electronic money service server 30 and the purchased product information transmitted from the affiliate shopping mall servers 20 and stores them in the CRM DB 45. And a data analysis of data mining or the like using a later analysis program.

Network network 50 is a connection between the terminal 10 and the servers (20, 30, 40) in common to support data communication between each other, wired / wireless Internet network, public telephone network (PSTN), mobile communication network All available communication networks, such as satellite communication networks, can be used.

Referring to FIG. 2 showing an example of the configuration of the above-described CRM DB 45 in the form of a relational database, the CRM DB 45 is largely the electronic money payment information transmitted from the electronic money service server 30 and the affiliated shopping mall server 20. Store the purchased product information transmitted from).

Here, the electronic money settlement information includes data items such as purchase customer identification information, shopping mall identification information, and purchase price information, and the purchased product information includes data items such as product identification information and product quantity information.

3 is a flowchart illustrating a process of implementing a CRM database construction method using an electronic money service applied to Internet commerce according to the present invention.

First, when the customer looks at the process of issuing the electronic money (S100), the customer uses the Internet-enabled terminal 10, the website of the electronic money service server 30 represented by a specific URL through the network 50 Request the issuance of electronic money by accessing.

At this time, the customer inputs his identification information and password for using electronic money on the provided web page, and the electronic money service server 30 stores the input information in the customer information DB 35.

The customer pays the real money corresponding to the electronic money to be issued to the electronic money service server 30 through various channels, and the electronic money service server 30 stores a specific account for storing the electronic money issued for the customer. A storage space such as an electronic wallet with a number is created.

Then, an identifier such as an electronic money account number or a card issued on the magnetic part is issued and provided to the customer, and the generated electronic money identifier is stored in a database such as a customer information DB 35a for the customer.

This process exemplifies a general process of issuing electronic money, and electronic money can be issued through other processes.

The customer who issued the electronic money as described above accesses the website of the affiliate shopping mall server 20 using the terminal 10 (S102), inquires various products sold, and registers a purchase order for a specific product. At this time, the electronic money payment identifier, such as their electronic money account number and password for payment of the purchase price is entered (S104).

The affiliate shopping mall server 20 transmits the electronic money payment identifier and purchase price information of the customer and its identification information (for example, affiliate store 10) to the electronic money service server 30 having location information such as a specific IP address. Then, the payment for the purchase price is requested (S106).

The electronic money service server 30 receives the transmitted information, checks whether the received electronic money payment identifier is legitimate and whether there is an electronic money balance corresponding to the requested amount of payment, and if there is no abnormality, the requested payment Withdraw the amount from the customer's electronic wallet to execute the payment processing to transfer to the electronic wallet of the affiliated shopping mall, and transmits the payment completion notification to the affiliated shopping mall server (20) (S108).

The affiliate shopping mall server 20 receives the payment completion notification, indicates to the customer that the payment is completed through the web page, and then delivers the purchased product to the customer.

Of course, if the purchased product is a digital product such as software, a process such as download may be included instead of shipping.

Meanwhile, the electronic money service server 30 extracts the identification information of the corresponding purchase customer corresponding to the electronic money payment identifier after the payment is completed from the customer information DB 35a, and also adds additional information of the corresponding internet shopping mall from the shopping mall identification information. Extracted from the information DB (35b), and transmits the extracted identification information, shopping mall identification information and purchase price information to the CRM server 40 having the location information, such as a specific IP address (S110), CRM server 40 ) Stores the transmitted information in the CRM DB 45 (S112).

Here, the stored customer identification information, shopping mall identification information, and purchase price information are collectively referred to as electronic money payment information as shown in FIG. 2.

Meanwhile, the affiliate shopping mall server 20 also transmits the purchased product information, that is, product identification information and product quantity information, etc. to the CRM server 40 after the payment is completed (S114), and the CRM server 40 is received and stored therein. Matching electronic money payment information is stored in the CRM DB 45 (S116).

As such, since the electronic money payment information and the purchased product information, which are the purchase behavior data of the customer, are transmitted separately, the same matching information may be used for the two information to be matched by the CRM server 40. The service server 30 processes the payment and transmits matching information such as a payment processing number to the affiliate shopping mall server 20 so that the electronic money service server 30 and the affiliate shopping mall server 20 transmit the CRM server 40, respectively. The matching information may be included in the information to be matched later. Of course, other methods may be appropriately employed.

As a result, the process of storing the customer's purchase behavior data using electronic money once in the CRM DB 45 is completed, and the customer's purchase behavior data generated in several affiliated Internet shopping malls by the repetition of the process is continuously CRM. It is stored in the DB (45).

In addition, the customer's electronic money payment information is transmitted from the electronic money service server 30, and the purchased product information is transmitted from the affiliate shopping mall server 20, respectively, to be stored later matched with the CRM DB (45) Otherwise, the affiliate shopping mall server 20 transmits the purchased product information together with the electronic money service server 30 upon the payment request of the purchase price, and after the payment is completed, the electronic money service server 30 not only purchases the electronic money payment information but also the purchased product. Information may also be transmitted to the CRM server 40 to be stored in the CRM DB 45.

Next, a case where the CRM database construction method using the electronic money service of the present invention is applied to offline commerce will be described.

4 is a diagram illustrating an example of a network system configuration when the CRM database construction method using the electronic money service according to the present invention is applied to offline commerce.

The network system is connected to an electronic money card (60) possessed by a customer, a credit card inquiry machine 70 provided in an offline affiliated store, a point of sale (POS) terminal 72, and a POS terminal 72. Central computer system 74, online VAN (ValueAdded Network) server 80, the electronic money service server 30, the CRM server 40 for managing the CRM DB 45 and data between components as shown It consists of a network 50 to support communication.

Here, the same reference numerals as in FIG. 1 described above indicate the same components.

As described above, since the customer is issued an electronic money card 60 by accessing the electronic money service server 30 using the Internet-enabled terminal 10, the customer terminal 10 may be included as a component. have.

The POS terminal 72 reads the barcode attached to the product purchased by the customer using the barcode reader 72a mounted therein, receives the product information and the product price, and displays the product price by adding up the product price.

The credit card checker 70 reads the purchase price information entered through the keypad unit provided therein and an identifier such as the serial number of the electronic money card inputted by reading the electronic money card 60 of the customer through the provided card reader. Transfer to the VAN company server 80 and requests the payment of the purchase price.

Here, the credit card inquiry machine 70 is connected to the VAN company server 80 by a dedicated line, as a separate credit inquiry device is not used for the inquiry of the electronic money card 60, but a conventional credit card inquiry machine is used. , The VAN company server 80 transmits the payment request from the credit card checker 70 to the electronic money service server 30, and the payment completion notification transmitted from the electronic money service server 30 to the credit card inquiry To 70.

The central computer system 74 is provided with means for receiving and storing purchased product information input to the POS terminal 72 and transmitting it to the CRM server 40 in real time or later.

The electronic money service server 30 stores the identification information of the customer who issued the electronic money in the customer information DB 35a as described above, and stores the information of the offline affiliated store that can use the electronic money in the merchant information DB 35b. Save it.

The CRM server 40 receives the electronic money payment information transmitted from the electronic money service server 30 and the purchased product information transmitted from the central computer system 74 of the off-line merchant and matches each other and stores them in the CRM DB 45. do.

5 is a flowchart illustrating a process of implementing a CRM database construction method using an electronic money service applied to offline commerce according to the present invention.

First, the process of the customer issuing the electronic money card 60 from the electronic money service server 30 as described above, the customer receives and holds the issued electronic money card 60 (S200), the electronic The money card 60 is used to purchase goods in an offline merchant.

That is, the customer presents the electronic money card (60) for payment of the goods and the purchase price to the purchaser and asks for the purchase of the product (S202). The product information is input to the POS terminal 72 by reading the barcode reader 72a attached to the 72 so that the product price (that is, purchase price) is summed (S204).

Then, the electronic money card identifier of the customer, such as the serial number contained in the magnetic part of the electronic money card 60 is read into the card reader of the credit card checker 70, the credit card checker 70 In order to be input to, the purchase price obtained in the credit card inquiry machine 70 is input through the keypad (S206).

The credit card inquiry machine 70 transmits the input electronic money card identifier and purchase price information, and its own merchant identification information (for example, affiliated store No. 20) to the VAN company server 80, and processes the payment of the purchase price. And (S208), VAN company server 80 transmits the information and payment request to the electronic money service server 30 (S210).

The electronic money service server 30 receives the transmitted information and checks whether the received electronic money card identifier is valid and whether there is an electronic money balance corresponding to the requested amount of payment. Withdraws from the customer's electronic wallet and executes the payment processing to transfer to the electronic wallet of the relevant offline merchant, and transmits the payment completion notification to the VAN company server (80) (S212).

After the payment is completed, the electronic money service server 30 extracts the identification information of the corresponding purchase customer from the customer information DB 35a from the electronic money card identifier, and further stores the additional information of the offline affiliated store from the merchant identification information. The identification information, the merchant identification information, and the purchase price information of the purchase customer extracted and extracted from the information DB 35b are transmitted to the CRM server 40 having the location information such as a specific IP address (S214), and the CRM server 40 Stores the transmitted information in the CRM DB 45 (S216).

Here, the stored purchase customer identification information, merchant identification information and purchase price information are collectively referred to as electronic money payment information as shown in FIG.

On the other hand, following step S212, VAN company server 80 transmits the payment completion notification transmitted from the electronic money service server 30 to the credit card lookup machine 70 of the offline merchant, credit card lookup machine 70 Indicates to the manager that the payment has been completed, thereby completing the customer purchase process.

In addition, the purchased product information input to the POS terminal 72 in step S204 is transmitted and stored in the connected central computer system 74, the central computer system 74 in real time or later stored product information to a specific IP address It transmits to the CRM server 40 having the location information, such as, CRM server 40 is stored in the CRM DB 45 by matching the purchased goods information to the electronic money payment information is stored.

As described above, since the electronic money payment information and the purchased product information, which are the purchase behavior data of the customer, are individually transmitted and matched, the two pieces of information may be transmitted with the same matching information.

As described above, although the present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto and is intended by those skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the scope of equivalents of the claims to be described.

According to the CRM database construction method using the electronic money service of the present invention, a method for efficiently collecting customer's purchase behavior data is provided by using payments, that is, electronic money payments, which are essential for the purchase behavior. Customer's purchase behavior data can be useful for database marketing and CRM activities. Based on this, customers can provide customized products and services to improve customer satisfaction and meet customer needs. It can benefit both customers and businesses, including strengthening and improving customer loyalty.

Claims (3)

As a method of building a database for database marketing and CRM activities by collecting customer's purchase behavior data using electronic money service, Internet shopping mall operating a terminal on the client side, an electronic money service server that receives identification information to the customer, issues electronic money, approves and processes the use of the issued electronic money, and an internet shopping mall that is a merchant for the electronic money. A network system comprising a server, a CRM server managing a CRM database for collecting and storing purchase behavior data of the customer, and a network network supporting data communication, Registering a purchase order for a specific product in the internet shopping mall by using the terminal and inputting an electronic money payment identifier such as an electronic money account number for payment of a purchase price; Transmitting, by the Internet shopping mall, the electronic money payment identifier, its identification information, and purchase price information to the electronic money service server, and requesting payment of the corresponding purchase price; Receiving, by the electronic money service server, information transmitted and executing payment of a requested purchase price; Extracting, by the electronic money service server, identification information of the corresponding customer corresponding to the electronic money payment identifier from the database; Transmitting, by the electronic money service server, electronic money payment information including extracted purchase customer identification information, internet shopping mall information, and purchase price information to the CRM server; Storing the electronic money payment information transmitted by the CRM server in the CRM database; Transmitting product information such as product identification information and quantity of goods purchased by the Internet shopping mall to the CRM server; And Storing the product information transmitted by the CRM server by matching the stored electronic money payment information; CRM database construction method using an electronic money service comprising a. As a method of building a database for database marketing and CRM activities by collecting customer's purchase behavior data using electronic money service, Internet shopping mall operating a terminal on the client side, an electronic money service server that receives identification information to the customer, issues electronic money, approves and processes the use of the issued electronic money, and an internet shopping mall that is a merchant for the electronic money. A network system comprising a server, a CRM server managing a CRM database for collecting and storing purchase behavior data of the customer, and a network network supporting data communication, Registering a purchase order for a specific product in the internet shopping mall by using the terminal and inputting an electronic money payment identifier such as an electronic money account number for payment of a purchase price; Transmitting, by the Internet shopping mall, the electronic money payment identifier, its identification information, purchase price information, and purchased product information to the electronic money service server and requesting payment of a purchase price; Receiving, by the electronic money service server, information transmitted and executing payment of a requested purchase price; Extracting, by the electronic money service server, identification information of the corresponding customer corresponding to the electronic money payment identifier from the database; Transmitting electronic money payment information and purchased product information including the purchase customer identification information, the Internet shopping mall information, and the purchase price information, which are extracted by the electronic money service server, to the CRM server; And Storing the electronic money payment information and the purchased product information transmitted by the CRM server in the CRM database; CRM database construction method using an electronic money service comprising a. As a method of building a database for database marketing and CRM activities by collecting customer's purchase behavior data using electronic money service, A customer's electronic money card, a credit card checker, a POS terminal, and a central computer system connected to a POS terminal provided in an offline merchant that can use the electronic money; An electronic money service server that provides a card for its use and approves and processes the use of issued electronic money, a CRM server that manages a CRM database that collects and stores the purchase behavior data of the customer, and a network that supports data communication. In a network system composed of a network, Inputting product information desired by the customer to purchase at the offline affiliated store to the POS terminal; Inputting purchase price information of the product and an identifier of the electronic money card of the customer into the credit card inquiry device; Transmitting the purchase price information, the electronic money card identifier, and its affiliated store identification information to the electronic money service server through the VAN system and requesting payment of the purchase price; Executing the payment of the requested purchase price by the electronic money service server; Extracting, by the electronic money service server, identification information of the corresponding customer corresponding to the payment electronic money card identifier from a database; Transmitting electronic money payment information including purchase customer identification information, affiliated store identification information, and purchase price information extracted by the electronic money service server to the CRM server; Storing the electronic money payment information transmitted by the CRM server in the CRM database; Commodity information input to the POS terminal is transmitted to and stored in the central computer system in the affiliated store; Transmitting, by the central computer system, product information to the CRM server; And Matching and storing the goods information transmitted by the CRM server to the stored electronic money payment information; CRM database construction method using an electronic money service comprising a.