The time point for postoperative review of fracture: 1. The first review is required just after surgery, when the review is mainly to see the reset of the fracture end after surgery, to see if the alignment and alignment is good and the fixation of the internal fixation. 2. The review is required 45 days after surgery, mainly to see if the fracture end is displaced, if the internal fixation will be loose, and also to observe if the fracture end has bone scabs starting to grow, that is 3. 3 months after surgery, the fracture will be reviewed to determine if there is any delay in healing. 4. 6 months after surgery, the fracture will be reviewed to see if the bone scab has formed. If the scab has formed, the fracture has begun to heal, and if the fracture line has disappeared, the fracture has completely healed. 5. 1 year after surgery, if the fracture line has completely disappeared, the internal fixation can be removed.