When a bone suddenly protrudes in a small piece, the patient should examine themselves to determine whether it is a bone protrusion or a soft tissue protrusion around the bone. When the soft tissue around the bone protrudes, it may be due to inflammation caused by swelling, or may be due to trauma caused by swelling. In this case, the patient can be on the protruding part of the hot compress, hot compress time is about 30 minutes, the temperature of the hot compress between 40-50 ℃, the temperature is too high may damage the skin, if the protruding part does not reduce the patient should go to the hospital in time for examination. If the bone part protrudes from the skin, it is likely to be caused by bone spurs, bone spurs are a phenomenon of osteophytes, the early general symptoms do not appear without pain. Bone spurs are a kind of osteophyte phenomenon, early symptoms usually do not occur without pain. After the bone spurs to the middle and late stages of the phenomenon, the patient will have pain, and will limit the patient’s activities, bone spurs problems should be treated as soon as possible.