Serial communication intercept type intelligent elevator access control system and method

The invention provides a serial communication intercept type intelligent elevator access control system which comprises an elevator control cabinet, a car top electrical equipment box, a car operation panel, a hall operation panel, an identity recognition device and an elevator access controller, wherein the elevator control cabinet is connected with the elevator access controller; the car top electrical equipment box, the hall operation panel and the identity recognition device are respectively connected with the elevator access controller; and the car top electrical equipment box is connected with the car operation panel. The invention further provides a serial communication intercept type intelligent elevator access control method. Through the system and the method, the response time of the elevator access control can be shortened, the running efficiency of an elevator is improved, and the transformation and the maintenance of an elevator running system are easy.