The invention discloses a medical clinical treatment auxiliary surgery device for the gynecology department and relates to the technical field of clinical treatment for the gynecology department. Theproblems are solved that during existing clinical treatment for the gynecology department, a patient cannot be fixed, the surgical process is influenced accordingly, and the operation is inconveniently conducted. The medical clinical treatment auxiliary surgery device for the gynecology department comprises a positioning baseplate, two side edge positioning mechanisms are installed on the upper end face of the positioning baseplate, each side edge positioning mechanism comprises a rotation handle, a positioning slide plate, a connection base, end supporting plates and a screw, the positioningslide plates are installed on the upper end faces of the connection bases, and the end supporting plates are installed at the two ends of each positioning slide plate; each screw is installed at the inner sides of every two end supporting plates, the rotation handle is installed at one end of each screw, and the inner side of each positioning slide plate is provided with a vertical connection mechanism. According to the medical clinical treatment auxiliary surgery device, the legs of the patient can be limited and fixed, convenience is provided for surgery treatment, and the whole device is convenient to adjust and easy to operate.