Under normal circumstances after the bone injury is about 5-7 days can be no pain, bone pain after trauma includes two kinds: first, bone tissue damage, bone tissue damage to produce friction pain is very intense, and after the fracture is fixed and stable, the pain disappears. If the soft tissue injury is relatively light, the pain will disappear in 5-7 days, if the soft tissue injury is relatively heavy, it is possible that the pain will continue for about 7-10 days and the corresponding pain symptoms will appear. Second, the main manifestation after the bone injury is the soft tissue swelling and pain, rather than a sharp pain like a knife cut and other manifestations.