Fractures or soft tissue injuries can first be determined by the history of trauma, specific symptoms, but also combined with the corresponding imaging examination for comprehensive analysis, in order to accurately diagnose. 1. Trauma history: most soft tissue injuries are caused by contusion or sports injuries, while fractures are caused by violent injuries, and the degree is often more serious. 2. Specific symptoms: most soft tissue injuries are characterized by local swelling and pain, and the degree of pain is relatively mild. After the fracture, it is often accompanied by severe pain, activity limitation, some fractures will appear deformity, bone rubbing sensation, abnormal activity and other manifestations. 3. Imaging examination: some of the fractures are not dislocated, the symptoms are not typical enough, similar to soft tissue injuries, it is necessary to give a timely film or CT examination, which can clarify the nature of the specific injury. When trauma, simply through the history of trauma, symptoms are prone to errors in judgment, when the local swelling and pain is obvious accompanied by activity limitation, etc., should go to the regular hospital in a timely manner to carry out the appropriate examination, in order to clarify the diagnosis after targeted treatment.