Peritoneal dialysis machine

The utility model discloses a peritoneal dialysis machine which comprises a shell, a heating mechanism is installed at the top end of the shell, an operation panel is installed on the front portion of the shell, and a pressure sensor circuit board, a PLC control panel, a positive and negative pressure pump, a storage battery, two connecting plates, an air pressure balance tank and a force bearing front plate are installed in the shell. A force bearing front plate and an electric push rod fixing seat are installed at the two ends of the two connecting plates, an air bag, a force bearing movable plate, a valve seat and a consumable limiting frame are sequentially installed on the side, located on the electric push rod fixing seat, of the force bearing front plate, the force bearing front plate is of an L-shaped structure, and a first spring is installed between the force bearing front plate and the force bearing movable plate; consumables are mounted in the consumable limiting frame, an electric push rod is mou