Laparoscopic surgery apparatus

The invention relates to the technical field of medical instruments and particularly discloses a laparoscopic surgery apparatus, comprising a housing, a master control button, a power supply and a master reduction button for cutting power the power supply. A limiting plate is slidably connected inside the housing, the sidewall, far away from the limiting plate, of the housing is provided with an intake port and an exhaust port, the intake port is provided with an intake electromagnetic valve, the master control button is electrically connected with an intake relay that controls the intake electromagnetic valve to open, the exhaust port is provided with an exhaust electromagnetic valve, the intake port is provided with an intake pipe, one side of the limiting plate is provided with a rotaryrod, a rotary adjuster is arranged outside the housing, a rope is wound on the sidewall of the rotary rod, one end of the rope and is connected with the rotary rod, the other end of the rope is connected with the limiting pl