Face sign 1 site, the site management monitoring center room to build a hardware server platform for storing all the data repository construction sites in the face of all construction workers, as well as receiver front-end collection point sending up to register or verify the construction workers face photo information, and all construction site personnel at different remote control management, front-end equipment certified to update personal information, and data on the functional finish construction workers and generate reports, in order to have jurisdiction for the site Other departments provide data searches. 2, the front face recognition terminal site, the site should be installed on each door, witnesses identify the access network, and can communicate with the server. 1 system function design, construction workers face information collected on site during the construction of those front-end registration of personal information, the front-end system can automatically collect information about construction workers face, and temporarily stored in the front, in the front-end server information extraction spare time. 2, construction workers construction workers on the basis of basic information management information management set to manage basic information: including face information, site information, personal information, etc., can be arranged in different parameters for the index, query, and can generate the builder Personal information report. 3, the collection terminal management service system in the background, you can front-end terminal access for remote site management, such as upgrade the system, the construction of personal information registered in the face information on the front end of the site to extract terminal equipment, such as face information data its RFID card corresponding information, while the site for each data terminal equipment at issue, overwriting the original data. 4, blacklists often construction workers working on the site, if there is bad staff, its registration as a specialized, notes, to remind project managers for processing. 5, system expansion interface system development interface to other business systems within enterprises and institutions and to achieve facial recognition time attendance system in conjunction with other business systems to use, easy to manage business operations, improve work efficiency. 6, query statistics system can staff attendance information query statistics, and generate the corresponding statements of work, as a unit targeted for work attendance management provide decision support information. 7, system settings to achieve user and permission information management system; to achieve system parameter management.