Injured bone crease, the appearance of bone protrusion, commonly found in fracture malunion or soft tissue calcified plaque, etc., if not take treatment measures, usually will not be flat. 1. Fracture malunion: Injured fracture or dislocation, if there is no formal treatment, or manipulation reset is not complete, it is easy to cause malunion of fracture, resulting in bone protrusion. This situation, if not for formal treatment, generally can not be restored to level. 2. Calcified soft tissue plaque: after the injured bone crease, the surrounding soft tissue is damaged, scar tissue is formed during the healing process, and calcified plaque is produced continuously, which looks like bone protrusion to the touch. If the above symptoms occur, it is recommended to go to the hospital in time, early in the doctor’s guidance for regular treatment to avoid adverse effects.