Hanging tower is an essential medical equipment for gas supply in modernized operating room of hospitals, which is mainly used for terminal transfer of medical gases such as oxygen supply, suction, compressed air and nitrogen in operating room. It controls the lifting and lowering of the equipment platform by the motor, which is safe and reliable; the balanced design ensures the leveling of the equipment platform to ensure the safety of the equipment; the drive of the motor ensures the fast and effective operation of the equipment;