After the fracture, the local tendons appear very tight symptoms, mainly involving the following reasons: First, it is due to the acute injury of local soft tissues caused by the fracture, including tendons, ligaments, joint capsule, fascia appear corresponding laceration, contusion, will lead to soft tissue bleeding, congestion, edema, inflammatory reaction and a series of pathological changes, the local will appear obvious swelling, inter-tissue pressure increase will feel the symptoms of a very tight tendon. Secondly, during the treatment of fracture, there is a long period of braking and fixation, and due to the injury of soft tissues, there is also the mechanization and absorption of hematoma and inflammation, and due to the braking and fixation of soft tissues, there will be fibrous scar contracture and adhesions, and the symptom of tightness will appear when moving. As long as the fracture is treated, it can be recovered through the corresponding functional training. If it is not recovered, surgical release can be performed if necessary after the examination by a professional doctor.