There are several common causes of pubic bone pain in clinic: the first one is whether it has suffered from trauma, for example, accidental fall or in a car accident will often injure the area below the pelvis, which will often lead to fracture of the pubic bone, and after the fracture, the pubic bone will be painful and swollen. The second type, commonly found in peri-menopausal or postmenopausal women, is degenerative changes in the pubic bone leading to osteoporosis of the pubic bone and causing internal inflammation, and the pain in the pubic bone will be aggravated by pressing the pubic bone area with the hand. The third type, for women, the pubic bone pain may also be caused by the separation of the pubic symphysis due to childbirth, often due to the excessive size of the fetus or emergency delivery, forceps, etc., the phenomenon of separation of the pubic symphysis can be further clarified by abdominal ultrasound diagnosis.