There are many causes of pubic bone pain in women, the most common are the following: a. Pregnancy and childbirth: abnormal pregnancy or childbirth factors can lead to separation of the pubic symphysis, such as oversized fetus, asymmetric cephalopelvis, abnormal fetal position, emergency delivery or difficult delivery, which can lead to pubic bone pain, some will be accompanied by walking weakness, turning difficulties and other clinical symptoms. Second, the role of external force: local external force caused by the role of the pubic bone branch fracture, pubic body fracture, or the existence of separation of the pubic symphysis, will lead to the existence of local pain symptoms, in order to make a clear diagnosis, you need to carry out local general X-ray, CT examination. Inflammation of the pubic bone: If the patient has osteitis pubis, it will also lead to the existence of obvious pain symptoms in the pubic bone.