The invention belongs to the technical field of mechanical equipment, and particularly relates to an intelligent key cabinet. Concretely, the technology of a storage cabinet for three types of keys is developed, and using of the keys can be recorded and managed. Concretely, a touch screen and a key outlet are formed in the outer portion of a key cabinet body; a PLC, push-pull type electromagnets, a conveying belt, a motor, an access control system and terminal strips are arranged inside the key cabinet body; the PLC is connected to the cabinet body through a base; the push-pull type electromagnets are connected to the middle of the cabinet body through the base, and the terminal strips are connected into the cabinet body through sliding rails; the motor is arranged at the bottom of the cabinet body; the conveying belt is arranged on the upper portion of the motor; an access control electromagnet is arranged on an upper door frame of the cabinet body; control connecting wires of the push-pull type electromagnets, the motor and the access control electromagnet are connected with the PLC through the terminal strips. The taking and returning time, users and purposes of the keys can be recorded and stored, the three types of keys are convenient to monitor, and the intelligent key cabinet is suitable for all kinds of enterprises and public institutions.