The angle between the entrance plane of the pelvis and the horizontal plane of a normal mature female human body is 50-60 degrees as normal, if more than the angle is the anterior pelvic tilt. Severe anterior pelvic tilt, most of them are caused by trauma without surgical treatment, the damaged pelvis is not completely reset and deformed healing, a small number of patients are congenital problems, in the process of fetal growth and development by genetic influence, or by harmful substances caused by the damage. Most of the adult patients are caused by poor standing or sitting posture, maintaining a posture for a long time, with muscles under tension for a long time, pulling the pelvic bones out of their original position and increasing the angle of the pelvic grip. Once the adult pelvic tilt, can be corrected by stepping on the book test, the longer the correction time, the better, can make the pelvis back to the original position, in order to reduce the damage caused by the pelvic tilt organs.