Bone clacking when twisting the body is mainly caused by the small joints of the body parts rubbing against each other. Especially in the small joints of the spine, if there is abnormal friction, it is easy to cause the clicking sound in the spine, and this situation is mainly due to two reasons. This is mainly related to strain injury and degeneration of small joints in the middle-aged and elderly, which causes edema, hyperplasia and tearing and fracture of the cartilage surface of the small joints, which can cause abnormal friction and lead to wasting. Second, see in trauma, especially after trauma, resulting in the ligament around the small joint capsule injury, if the treatment is not timely, not complete, later in the activity will also appear in the body parts of the bone ringing.