Wireless local area network based access control system

The invention discloses a wireless local area network based access control system. The wireless local area network based access control system comprises a PC database, a personnel access control unit and a vehicle access control unit, the three parts exchange data through an interchanger, the PC database is mainly in charge of managing information data and verifying identity information, the personnel access control unit comprises a personnel access control controller, an infrared sensor (optoelectronic switch), a wireless AP (Wireless Access Point) and an execution mechanism, and the vehicle access control unit comprises a wireless AP, an access control controller and an execution mechanism. The access control system uses an identity authentication mode of recognizing an intelligent terminal, the MAC address of the intelligent terminal is recognized for authentication, so that the wireless local area network based access control system not only achieves safety and effectiveness of the common access control s