Defecation seat capable of automatically adjusting height

The utility model discloses an automatic height adjustment defecation chair, which comprises a support plate, a movable plate is arranged at the top of the support plate, a through groove is arranged on the surface of the support plate, hinges are arranged at two ends of one side of the movable plate, the movable plate is movably connected with the support plate through the hinges, and cases are arranged at four corners of the bottom of the support plate. Air cylinders are arranged in the machine boxes, the output ends of the air cylinders penetrate through the bottoms of the machine boxes to be fixedly connected with the bottoms of the supporting plates, supporting legs are fixedly arranged at the bottoms of the machine boxes, moving wheels are arranged at the bottom ends of the supporting legs, foot brakes are arranged on one sides of the moving wheels, and supporting rods are fixedly arranged between the supporting legs and between the machine boxes; the defecation seat capable of automatically adjusting t