The invention discloses a cervical contraceptive device which contains a traditional Chinese medicine which is prepared from a medicinal herb of radix polygalae and used for killing sperms. The cervical contraceptive device comprises a circular tube bracket. The wall of the circular tube bracket comprises two layers, i.e., an outer layer which is a meshy wall braided with Nitinol wires and an inner layer which is a methyl vinyl silicone rubber layer with a thickness of 0.5mm to 1mm; one end of the circular tube bracket is provided with a first fixed circular ring, the other end of the circular tube bracket is provided with a second fixed circular ring; a slow-release suppository prepared from the medicinal herb of radix polygalae is installed in the circular tube bracket; the slow-release suppository prepared from medicinal herb of radix polygalae takes the shape of the head of a bullet, and a clearance is set between the outer perine of the slow-release suppository and the inner wall of the methyl vinyl silicone rubber layer; and a suppository fixing mesh is installed in a position in which the outer end of the second fixed circular ring is connected with the outer wall of the circular tube bracket. The cervical contraceptive device has reasonable structure and design. According to 3-year statistics of 265 cases of women of child-bearing age who use the device, symptoms of falling off, replacement, bleeding, infection, sore in waist, abdominal pain or intramural embedment and the like of the device never happen. The cervical contraceptive device provides a safe and reliable contraceptive device without side effects or complicating diseases for women of child-bearing age.