Mobile phone APP access control system

The invention discloses a mobile phone APP access control system and relates to the field of security and protection. The mobile phone APP access control system comprises a mobile phone access controlAPP, a user management database, a door opening instruction issuing module, a local area network and a door opening instruction receiving access control controller, wherein the door opening instruction issuing module is arranged on a server, and the local area network is constructed by an information interaction router. After a user mobile phone accesses to the local area network, the user mobilephone exchanges data with the server through the access control APP; after passed certification, a door opening instruction is sent to the access control controller to achieve a door opening function; the user management database arranged on the server can register, authenticate, delete and change user information and set permission for the user information; the mobile phone access control APP can achieve user registratio