WO2017177830A1

WO2017177830A1 - Two-dimensional code-based method and system for seeking ward

Info

Publication number: WO2017177830A1
Application number: PCT/CN2017/078846
Authority: WO
Inventors: 姚为; 万宏宇
Original assignee: 立德高科(北京)数码科技有限责任公司
Priority date: 2016-04-15
Filing date: 2017-03-30
Publication date: 2017-10-19
Also published as: JP6402144B2; JP2017191586A; CN105721610A; TW201737184A; KR101812115B1; KR20170118575A; CN105721610B

Abstract

The present invention provides a two-dimensional code-based method and system for seeking a ward. The method comprises: a guardian reads a vacant code type two-dimensional code of a ward, and after information of the ward is filled out, the guardian sends a ward information uploading request to a server; after the server establishes the information linked list of the ward according to the ward information uploading request, the server activates the two-dimensional code of the ward; after a passerby reads the two-dimensional code of the ward so as to fill out required information, the passerby sends a discovery instruction of the ward to the server; and after the server finds, by means of query, information of the ward and information of a guardian according to the discovery instruction of the ward, the server contacts the guardian and informs the guardian of the current position of the ward and a contact way of the passerby. A system for executing the method comprises a two-dimensional code of a ward, a guardian terminal on which guardian APP software is installed, a server, and a passerby terminal. By means of the present invention, a new way is provided for a guardian to seek a lost ward or an alone ward, so that the guardian can find the ward as soon as possible.

Description

Method and system for searching for ward based on two-dimensional code

Technical field

The invention relates to a method for searching a ward, in particular to a method and system for searching a ward based on a two-dimensional code.

The present application claims priority to the application Serial No. CN201610237395.6, filed on Jan.

Background technique

At present, when discovering the ward of a single person, it is generally in contact with the national public security organ alarm center, so that the national public security organ alarm center will take away the ward of the individual, so that the national public security organ alarm center can get in touch with its guardian. When the ward is lost, the guardian usually issues the ward's lost information through the police, in the media such as television or newspapers, so that others can help find the lost ward. However, the above-mentioned search methods are too singular, and the number of people participating in the search for the ward is limited, so it is not conducive to finding the ward who has lost or is alone.

Summary of the invention

In view of the deficiencies in the above problems, the present invention provides a new way for a guardian to look for a lost or single ward, so that the guardian can find the ward based on the QR code as soon as possible to the ward. A method and system for searching.

To achieve the above object, the present invention provides a method for searching a ward based on a two-dimensional code, comprising the following steps:

Step 1. The guardian reads the two-dimensional code of the Guardian of the empty code type, and sends a request for uploading the Guardian information to the server after completing the information of the Guardian, and the server activates the request according to the Guardian information to establish the Guardian Information Link List. The Guardian's QR code;

Step 2: After the passerby reads the Guardian's QR code to fill in the required information, the Guardian's discovery command is sent to the server;

Step 3: After the server finds the instruction according to the custodian to query the Guardian information and the guardian information stored in the Guardian information list, the server contacts the guardian and informs the ward of the current location and the contact information of the passerby.

The present invention also provides a system for implementing the method for searching for a custodian based on a two-dimensional code according to claim 1, comprising a Guardian's two-dimensional code, a guardian terminal equipped with a guardian APP software, a server and a terminal for a passerby ;

The guardian terminal installed with the guardian APP software is configured to read the avatar of the avatar of the empty code type, and send the Guardian information upload request to the server after completing the Guardian information;

The passer-by terminal is configured to: after reading the two-dimensional code of the ward to fill in the required information, send the Guardian discovery instruction to the server;

The server activates the Guardian's two-dimensional code according to the Guardian Information Upload Request sent by the Guardian Terminal with the Guardian APP software to establish the Guardian Information Link List; and the Guardian found by the passerby terminal After inquiring about the Guardian information and guardian information stored in the Guardian Information Link, the instruction contacts the guardian and informs the ward of the current location and the contact details of the passerby.

Compared with the prior art, the present invention has the following advantages:

Through the invention, the guardian can be found to provide a new way for the ward to be lost or to be alone, so that the guardian can find the ward as soon as possible;

After finding the lost person or the ward of the individual, the keeper is only required to send the Guardian's discovery command to the server after the two-dimensional code is read, and the server queries the corresponding code according to the code value information of the Guardian's QR code. Guardian information, and inform the ward of the location of the liaison with the discoverer, so that the guardian can find the ward as soon as possible;

In addition, the Guardian's two-dimensional code can be attached to goods such as clothing or trinkets, so that goods such as clothing or trinkets can add a new accessory function on the existing basis.

DRAWINGS

Figure 1 is a flow chart of a first embodiment of the method portion of the present invention;

Figure 2 is a flow chart of a second embodiment of the method portion of the present invention;

Figure 3 is a block diagram showing the structure of the system portion of the present invention.

detailed description

As shown in FIG. 1 , the embodiment provides a method for searching a ward based on a two-dimensional code, including the following steps:

Step 1. The guardian (guardian terminal) reads the two-dimensional code of the vacant guardian of the vacant type, sends the Guardian information upload request to the server after completing the Guardian information, and the server creates the Guardian information according to the Guardian information upload request. After the linked list, activate the Guardian QR code.

Wherein, in step 1, the following sub-steps are included:

Step 11. After the guardian reads the two-dimensional code of the vacant guardian through the terminal device (guardian terminal), sends a request to download the guardian APP software instruction to the server.

Step 12: The server sends the guardian APP software installation program to the terminal device according to the current IP address of the terminal device in the downloading guardian APP software instruction.

In addition, the guardian can also download the guardian APP software from other APP websites such as the APP mall on the network.

Only the prompt message for prompting the installation of the guardian APP software may be displayed when the two-dimensional code of the Guardian in the inactive state is read.

Step 13. After completing the installation and registration of the guardian APP software, the guardian passes the installation at the end. The guardian APP software in the end device reads the avatar QR code of the empty code type, and fills in the Guardian information in the filling interface of the guardian APP software.

After the guardian installs the guardian APP software in the terminal device, the registration information is required to formally enter the interface of the guardian APP software.

When the guardian registers, the mobile phone number is first sent to the server, and the server sends the generated verification code to the mobile phone with the mobile phone number according to the mobile phone number, and the guardian fills in the registration information after entering the verification code.

The registration information filling page includes required information and optional information.

The required information includes an account name, an account password, at least one emergency contact information, and a guardian's home address, and the emergency contact information includes a contact name and a contact phone number.

Among them, the account name can be the guardian's mobile phone number.

In addition, several emergency contacts can be set up according to the actual needs of the guardian.

Optional information includes guardian ID information, work unit and guardian photos, and other information.

After completing the required information in the completion registration information filling page, a guardian registration information storage request is generated according to the required information, and the guardian registration information storage request is sent to the server.

After parsing the received guardian registration information storage request, the server establishes a guardian information storage linked list corresponding to the information filled in the account name in the guardian information database according to the information filled in the account name.

After completing the registration, the guardian reads the two-dimensional code of the vacant guardian's ward, and then fills in the Guardian information corresponding to the Guardian's QR code in the Guardian APP software. The ward information includes the Guardian's name, age, home address, ward's video, ward's recent photo, blood type, allergy history and at least one guardian's information, and the guardian's information includes the guardian's name and the guardian's contact information. Among them, the guardian's contact information includes the guardian's mobile phone number, QQ number, micro-signal code or e-mail address.

In addition, the guardian can also read the two-dimensional code of the vacant guardian of multiple empty patterns to fill in Relevant ward information.

In addition, after completing the registration, the guardian can also view or modify the completed guardian information through the interface in the guardian APP software.

Step 14. After generating the Guardian Information upload request according to the code value information of the Guardian two-dimensional code, the Guardian information, and the account information of the Guardian APP software, the Guardian Information Upload Request is sent to the server according to the IP address of the server.

Step 15. The server establishes a Guardian Information Link Table corresponding to the code value information in the Guardian Information Database according to the code value information of the Guardian QR code in the Guardian Information Upload Request, and the Guardian Information and the Guardian APP Software The account information is stored in the Guardian Information Link.

When the Guardian Information Link Table is stored, the server will be activated by the Guardian QR code.

The server may determine the completeness of the information stored in the Guardian information link list. If the stored information integrity level reaches the minimum standard, it may be determined that the Guardian's two-dimensional code conforms to the activated standard. The active state transitions to the active state.

After scanning the two-dimensional code of the Guardian in the activated state, the prompt message of the QR code being inactivated is no longer displayed, and the prompt information for installing the guardian APP software is no longer present.

In addition, after the Guardian's QR code is activated, the Guardian information filled in can also be viewed or modified through the interface in the Guardian APP software.

In addition, the online payment function is also included in the guardian APP software, and the guardian APP software is used for a long time by paying a corresponding fee to the server, thereby enjoying the corresponding service provided by the guardian APP software.

Step 2: The passerby (passenger terminal) reads the Guardian's QR code to fill in the required information, and sends the Guardian's discovery command to the server.

In step 2, the following substeps are included:

Step 21: The passerby finds the Guardian of the individual, and after reading the Guardian's QR code through the terminal device, receives the WEB-style form page sent by the server.

Step 22: After completing the required information, the code value information of the two-dimensional code of the ward and the form with the required information are generated to generate a Guardian discovery instruction, and the Guardian discovery instruction is sent to the server according to the IP address of the server. .

After the passerby selects to enter the WEB-style form page, the information filled in the WEB-style form page includes the required information formed by the passerby's mobile phone number and the ward's current discovered address information, and includes The current status of the ward, the current photo of the ward, or the current video of the ward's current video.

Among them, the current status of the ward includes whether the ward is injured at the time, or a message box.

After completing the information input in the form, the passerby generates the Guardian's discovery instruction through the required information and/or the optional information and the code value information of the Guardian's two-dimensional code, and sends the Guardian's discovery instruction to the server according to the IP address of the server.

In addition, passers-by can take a photo of the ward's face and send a photo of the face to the server.

In step 3, the following substeps are included:

Step 31: The server parses the Guardian's discovery instruction to obtain the code value information and the form information of the Guardian's two-dimensional code;

Step 32: querying the Guardian Information Database according to the code value information of the Guardian's two-dimensional code, and calling the stored Guardian information after querying the corresponding Guardian Information Link List;

Step 33: According to the current discovery address information of the guardian in the form information, to The position to be located is marked;

Step 34: Contact the guardian according to the called guardian information, and report the current location information of the ward and the mobile phone number of the passerby.

In step 34, if the server cannot contact the guardian through the guardian information, the server contacts the national public security organ alarm center, and reports all the information stored in the ward's information link list, the passerby mobile phone number and the ward's current discovery address information. The national public security organ alarm center, the national public security organ alarm center sent police to view the ward, and bring the ward to the alarm center.

In addition, in step 3, if the keeper's discovery command sent by the passer-by to the server further includes a face photo of the ward, the server will invoke the Guardian stored in the Guardian information list after querying the Guardian information list. Photograph and compare the facial image of the ward with the guardian's recent photo to determine the identity of the ward.

Wherein, the server may adopt an existing image comparison method to determine the degree of coincidence between the photo of the ward in the lost discovery information and the illuminator's recent photo stored in the contingency information list, and if the contrast is higher than 60%, generate The identity of the ward is confirmed;

If the contrast is less than 60%, the server notifies the staff to manually contact the passerby according to the contact information in the form information to confirm the identity of the ward.

After confirming the identity of the ward, the server contacts the guardian according to the information of the guardian that has been called, and informs the ward of the current location information and the mobile phone number of the passerby. After the guardian knows the current location information of the ward and the mobile phone number of the passerby, the mobile phone number is passed with the passerby. Contact to get to the current position of the ward as soon as possible.

As shown in FIG. 2, the embodiment provides a method for searching a ward based on a two-dimensional code, including the following steps:

Step 1. The guardian reads the two-dimensional code of the vacant guardian of the empty code type, and is supervised after completing the filling. After the escort information is sent to the server, the Guardian information upload request is sent, and the server activates the Guardian's QR code according to the Guardian information upload request to establish the Guardian information link list.

Wherein, in step 1, the following sub-steps are included:

Step 11. After the guardian reads the two-dimensional code of the vacant guardian through the terminal device, sends a request to download the guardian APP software instruction to the server.

Step 13. After completing the installation and registration of the guardian APP software, the guardian reads the two-dimensional code of the vacant guardian through the guardian APP software installed in the terminal device, and fills in the ward information in the filling interface of the guardian APP software. .

Among them, the account name can be the guardian's mobile phone number.

In addition, the guardian can also read the two-dimensional code of the vacant person's avatar to fill in the relevant ward information.

The server may determine the completeness of the information stored in the Guardian information link table, and determine the Guardian's two-dimensional code character if the stored information integrity level reaches the minimum standard. When the combination is activated, it can be changed from an inactive state to an active state.

Step 2: After discovering that the ward is lost, the guardian sends the ward's lost information to the server through the guardian APP software in the terminal device.

In step 2, the following substeps are included:

Step 21: After discovering that the ward is lost, the guardian fills in the Guardian's lost position, lost time and dressing information in the guardian APP software in the terminal device, and sends the Guardian's lost instruction to the server after generating the Guardian's lost instruction.

Step 22: After receiving the lost instruction of the ward, the server queries the corresponding ward information list in the Guardian information database, and transfers the Guardian information linked list to the Guardian Loss database to generate the Guardian lost information. .

Step 23: The server queries each registered guardian information storage linked list in the guardian information database, invokes the guardian information from the guardian information storage linked list, and sends the current guardian lost instruction to each guardian.

Step 3: The passer-by or a guardian who knows the lost information of the ward is reading the two-dimensional code of the ward to complete the required information, and then sends a Guardian discovery instruction to the server.

In step 3, the following substeps are included:

Step 31: A passerby or a guardian who knows that the ward is missing information is found alone After the human ward is read by the terminal device to the Guardian's QR code, the WEB-style form page sent by the server is received.

Step 32: After completing the required information, the code value information of the two-dimensional code of the ward and the form with the required information are used to generate a Guardian discovery instruction, and the Guardian discovery instruction is sent to the server according to the IP address of the server. .

Wherein, after the passer-by or a guardian who knows the lost information of the ward is selected to enter the WEB-style form page, the information filled in the WEB-style form page includes the mobile phone number of the passerby and the current discovered address of the ward. Required information formed by the information, and optional information including the current status of the ward, the current photo of the ward, or the current video of the ward.

A passerby or a guardian who knows the lost information of the ward after the completion of the information input in the form, generates the Guardian's discovery instruction through the mandatory information and/or the optional information and the code value information of the GI of the Guardian, and according to the server The IP address is to send a Guardian discovery command to the server.

In addition, a passerby or a guardian who knows the ward's lost information can also take a photo of the ward's face and send the face photo to the server.

Step 4: After the server finds the instruction according to the Guardian to query the Guardian information and the Guardian information stored in the Guardian Information List, contact the Guardian to inform the Guardian of the current location and a passerby or a guardian who knows the Guardian’s lost information. the way.

In step 4, the following substeps are included:

Step 41: The server parses the Guardian's discovery instruction to obtain code value information and form information of the Guardian's two-dimensional code;

Step 42: querying the Guardian Information Database according to the code value information of the Guardian's two-dimensional code, and calling the stored Guardian information after querying the corresponding Guardian Information Link List;

Step 43: According to the current discovered address information of the guardian in the form information, in the map Label the location you have located;

Step 44: Contact the guardian according to the information of the guardian that has been called, and report the current location information of the ward and the mobile phone number of the passerby.

In step 44, if the server cannot contact the guardian through the guardian information, the server contacts the national public security organ alarm center, and reports all the information stored in the ward's information link list, the passerby mobile phone number and the ward's current discovery address information. The national public security organ alarm center, the national public security organ alarm center sent police to view the ward, and bring the ward to the alarm center.

After the guardian finds the lost ward, the guardian APP software sends the ward to the server to find the instruction, and after the server finds the instruction to analyze the ward, the Guardian information list is cancelled in the ward's lost database, and the guardian information is deleted. After each registered guardian information is queried in the database, the ward is found to send instructions to each guardian.

In addition, in step 4, if the passerby or the Guardian's discovery instruction sent to the server by the passerby or the Guardian's lost information also includes the face image of the ward, the server will query the Guardian information list after the inquiry The guardian's recent photo stored in the custodian information list is invoked, and the ward's facial photo is compared with the guardian's recent photo to determine the identity of the ward.

The embodiment in FIG. 2 adds, on the basis of the embodiment in FIG. 1, the guardian sends the ward's lost information to the server after discovering that the ward is lost, so that the server sends the ward's lost information to each registered guardian, so that the server sends the ward's lost information to each registered guardian. Each guardian with the Guardian APP software can assist in finding the lost ward, thereby increasing the number of people looking for the ward and increasing the chances of finding the ward as soon as possible.

In addition, when the guardian finds that the ward is lost, he can also release the ward’s lost information to the media and seek help from the public so that more people can know the ward’s lost information. Significantly increase the number of people the ward is looking for, and increase the chances of finding a ward as soon as possible.

As shown in FIG. 3, the present invention also provides a system for searching for a lost ward based on a two-dimensional code, including a Guardian's two-dimensional code, a guardian terminal with a guardian APP software installed, a server and a passer-by terminal.

The guardian terminal installed with the guardian APP software reads the two-dimensional code of the vacant guardian through the installed guardian APP software, and after completing the information of the ward, according to the code value information of the keeper's two-dimensional code, the ward After the information of the information and the guardian APP software is generated to generate the ward information upload request, the Guardian information upload request is sent to the server according to the IP address of the server.

In addition, the guardian terminal installed with the guardian APP software needs to fill in the registration information when the guardian APP software is installed by first reading the empty code type Guardian QR code.

After completing the required information in the completion registration information filling page, the guardian registration information storage request is generated according to the required information, and the guardian registration information storage request is sent to the server.

The passer-by terminal is used to read the Guardian's two-dimensional code. After completing the required information, the Guardian's discovery command is generated according to the code value information and the required information of the Guardian's two-dimensional code, and the Guardian finds the instruction. Send to the server.

The server activates the Guardian QR code according to the Guardian Information Upload Request sent by the Guardian APP software installed in the Guardian Terminal of the Guardian APP software to establish the Guardian Information Link List.

The server also contacts the guardian according to the Guardian's discovery instruction sent by the passer-by terminal to query the Guardian information and the guardian information stored in the Guardian information list, and informs the ward of the current location of the ward and the contact information of the passerby.

A server information database for storing guardian registration information, a custodian information database for storing ward information, and a ward's lost database for storing ward's lost information are provided in the server.

The server establishes a Guardian Information Link Table corresponding to the code value information in the Guardian Information Database according to the code value information of the Guardian QR code in the Guardian Information Upload Request, and the Guardian Information and the Account Information of the Guardian APP Software Stored in the Guardian Information Link.

After receiving the lost instruction of the ward, the server queries the corresponding ward information list in the Guardian information database, and transfers the Guardian information linked list to the Guardian Loss database to generate the ward's lost information. When the ward is found, the Guardian's discovery order sent by the guardian is deleted to delete the Guardian's lost information stored in the Guardian's lost database.

The server further includes a two-dimensional code generating device for generating an empty code type Guardian two-dimensional code.

The server further includes information judging means for judging the integrity of the information stored in the Guardian information list, and activation means for activating the Guardian's two-dimensional code.

The server can determine the completeness of the information stored in the Guardian information link list through the information judging device. If the stored information integrity level reaches the minimum standard, it is determined that the Guardian's two-dimensional code conforms to the activated standard, and the activation device can be activated. Activate it to change from inactive to active.

An image contrast device is also included in the server. When the server receives a facial photograph of the ward taken by a passerby or a guardian who knows the lost information of the ward, the image comparing device determines the degree of coincidence between the visor's face photo and the illuminator's recent photo, if compared If the degree of coincidence is higher than 60%, the identity confirmation information of the ward is generated;

If the contrast is less than 60%, the server notifies the staff to follow the form. The way in the information is manually contacted to confirm the identity of the ward.

When the invention is applied, the two-dimensional code of the ward can be printed on the clothing, and the passer-by or the Guardian who knows the lost information of the ward is found on the Guardian of the clothing when the Guardian is found alone or lost. After the code is read and sent to the server to find the Guardian's discovery command, the server parses the Guardian's discovery command, and after parsing, it will query the Guardian's contact information corresponding to the Guardian's QR code and contact the guardian. In order to inform the custodian of the current location, and the contact information of a passer-by or a guardian who knows the ward’s lost information, so that the guardian can find the lost ward as soon as possible.

In addition, if the server cannot contact the guardian through the guardian information, the server contacts the national public security organ alarm center, and reports all the information stored in the Guardian information link list, the passerby mobile phone number and the ward's current discovery address information to the national public security. The organ alarm center allows the national public security organ alarm center to send police to view the ward and bring the ward to the alarm center.

The above are only the preferred embodiments of the present invention, and are merely illustrative and not restrictive. It will be apparent to those skilled in the art that many changes, modifications, and equivalents are possible within the spirit and scope of the invention as defined by the appended claims.

Claims

A method for searching a ward based on a two-dimensional code, wherein the method comprises:

Step 1. The guardian sets the two-dimensional code of the ward;

Step 2: The passerby reads the Guardian's QR code to send the Guardian's discovery command to the server;

Step 3: The server notifies the guardian of the current location of the ward according to the circumstance found by the ward.
A method for searching for a ward based on a two-dimensional code according to claim 1, wherein

Step 1 specifically includes: the guardian reads the two-dimensional code of the vacant guardian of the empty code type, and after sending the completed ward information, sends the Guardian information upload request to the server, and the server uploads the request according to the Guardian information to establish the Guardian information link list. , activate the Guardian's QR code;

Step 2 specifically includes: after the passerby reads the two-dimensional code of the ward to fill in the required information, and sends a Guardian discovery instruction to the server;

Step 3 specifically includes: after the server finds the instruction according to the Guardian to query the Guardian information and the Guardian information stored in the Guardian Information Link Table, the server contacts the guardian, and informs the ward of the current location and the contact information of the passerby.
The method for searching for a ward based on a two-dimensional code according to claim 2, wherein in step 1, the following sub-steps are included:

Step 11. After the guardian reads the two-dimensional code of the vacant guardian through the terminal device, sends a request to download the guardian APP software instruction to the server;

Step 12: The server sends a guardian APP software installation program to the terminal device currently used by the guardian;

Step 13. After completing the installation and registration of the guardian APP software, the guardian reads the two-dimensional code of the vacant guardian through the guardian APP software installed in the terminal device, and fills in the ward information in the filling interface of the guardian APP software. ;

Step 14. After generating the Guardian information upload request according to the code value information of the GI of the Guardian, the Guardian information, and the account information of the Guardian APP software, sending the Guardian to the server Person information upload request;

Step 15. The server establishes a Guardian Information Link List corresponding to the code value information in the Guardian Information Database according to the code value information of the Guardian QR code in the Guardian Information Upload Request, and stores the Guardian information in the Guardian. In the information link list, to activate the QR code of the ward.
The method for searching for a ward based on a two-dimensional code according to claim 3, wherein in step 13, the Guardian information filled in the filling interface of the Guardian APP software includes the Guardian's name, age, and home address. , the ward's video, the ward's recent photo, blood type, allergy history and at least one guardian's information, the guardian's information includes the guardian's name and the guardian's contact information.
The method for searching for a ward based on a two-dimensional code according to claim 1, wherein in step 2, the following sub-steps are included:

Step 21: The passerby finds the ward of the individual person, and after reading the two-dimensional code of the ward by the terminal device, receives the form page sent by the server;

Step 22: After completing the required information, the code value information of the two-dimensional code of the ward and the form with the required information are generated to generate a Guardian discovery instruction, and the Guardian discovery instruction is sent to the server.
The method for searching for a ward based on a two-dimensional code according to claim 5, wherein in step 22, the information filled in by the passerby in the form page includes the mobile phone number of the passerby and the current discovery address information of the ward. Required information formed, as well as optional information including the current photo of the ward or the current video of the ward.
The method for searching for a ward based on a two-dimensional code according to claim 1, wherein in step 3, the following sub-steps are included:

Step 31: The server parses the Guardian's discovery instruction to obtain the code value information and the form information of the Guardian's two-dimensional code;

Step 32: querying the Guardian Information Database according to the code value information of the Guardian's two-dimensional code, and calling the stored Guardian information after querying the corresponding Guardian Information Link List;

Step 33: Mark the located location in the map according to the current discovered address information of the guardian in the form information;

Step 34: Contact the guardian according to the called guardian information, and report the current location information of the ward and the mobile phone number of the passerby.
The method for searching for a ward based on a two-dimensional code according to claim 7, wherein in step 34, if the server cannot contact the guardian through the guardian information, the server contacts the national public security organ alarm center and will be All the information stored in the guardian information link list, the passerby mobile phone number and the current discovered address information of the ward are reported to the national public security organ alarm center.
The method for searching for a ward based on a two-dimensional code according to claim 1, wherein before the step 2 is implemented, the guardian sends the Guardian APP software to the server through the Guardian APP software in the terminal device after the Guardian is found to be lost. The step of the guardian's loss of information.
The method for searching for a ward based on a two-dimensional code according to claim 9, wherein the above steps comprise the following substeps:

Step a: After discovering that the ward is lost, the guardian fills in the Guardian's lost position, lost time and dressing information in the guardian APP software in the terminal device, and sends the Guardian's lost instruction to the server after generating the ward's lost instruction;

Step b: After receiving the lost instruction of the ward, the server queries the corresponding ward information list in the Guardian information database, and transfers the Guardian information linked list to the ward's lost database;

Step c: The server queries each guardian information in the guardian information database, and sends the current ward's lost instruction to each guardian.
A system for implementing a method for searching for a custodian based on a two-dimensional code according to claim 1, wherein the keeper is provided with a two-dimensional code, a guardian terminal equipped with a guardian APP software, a server and a passer-by terminal;

The guardian terminal installed with the guardian APP software is configured to read the avatar of the avatar of the empty code type, and send the Guardian information upload request to the server after completing the Guardian information;

The passer-by terminal is configured to: after reading the two-dimensional code of the ward to fill in the required information, send the Guardian discovery instruction to the server;

The server activates the Guardian's two-dimensional code according to the Guardian Information Upload Request sent by the Guardian Terminal with the Guardian APP software to establish the Guardian Information Link List; and the Guardian found by the passerby terminal After inquiring about the Guardian information and guardian information stored in the Guardian Information Link, the instruction contacts the guardian and informs the ward of the current location and the contact details of the passerby.