The utility model relates to the field of auxiliary devices, and discloses an antenatal diagnosis auxiliary device which comprises a main body, a rotating
lying plate is fixedly arranged on the upper end face of the main body, a
massage module is fixedly arranged on the rear portion of the lower end face of the rotating
lying plate, a supporting module is rotatably arranged on the rear portion of the upper end of the main body, and the
massage module comprises a second electric push rod. A moving plate is fixedly arranged on the front end face of the second electric push rod, a sliding block is fixedly arranged on one side of the moving plate, a moving block is fixedly arranged on the upper end face of the sliding block, and a plurality of
massage columns are rotationally arranged on the upper end face of the moving block. During use, the rotating
lying plate is arranged at the upper end of the main body, the rear end of the rotating lying plate is connected with the supporting module, the supporting module is provided with the steering plate, the
hydraulic cylinder is arranged on the upper end face of the steering plate, and during use, the
hydraulic cylinder is started to jack up the rear end of the rotating lying plate; when the device is used, a pregnant woman can sit at the upper end of the device, and the back of the pregnant woman directly leans against the rear end of the rotary lying plate.