The utility model discloses a security check device with an intelligent detection system. The security check device with the intelligent detection system includes a support frame, the support frame is provided with a drive device connected with a conveyer, and the support frame is further provided with an operation device, a center control device and a security device; the center control device is respectively connected with the operation device, the drive device and the security device; the operation device includes a start controller, a stop controller, a sudden stop controller and a forward-backward rotation controller; the center control device includes an intelligent processor and a control circuit input-output module; the security device includes sticking prevention inductors disposed at two sides of a conveyor belt, front inductors disposed at the front end of the conveyor belt, back inductors disposed at the back end of the conveyor belt and an alarm; the forward-backward rotation controller includes a forward rotation circuit and a backward rotation circuit which are accessed in the control circuit input-output module, and a drive motor is also accessed in the forward rotation circuit and the backward rotation circuit. The security check device with the intelligent detection system has many detecting methods, the conveyor belt can rotate forwards and backwards, and the security check device is easy to move.