1, Fracture: If the blow is strong, the bone will break or break. This requires medical intervention to repair the fracture.

2, pain and swelling: hitting the bone will cause severe pain and swelling. This requires drugs to relieve pain and reduce swelling.

3. Damage to surrounding tissues: Bone is composed of bone tissues, muscles, blood vessels and nerves. If the introducer hits the bone, it will cause damage to the surrounding tissues, including muscles, blood vessels and nerves. This requires further treatment and rehabilitation.