The time point of postoperative review of fracture: 1, the first review needs to be carried out just after surgery, this review is mainly to look at the postoperative fracture end of the repositioning situation, to see whether the alignment, alignment is good, as well as the fixation of the internal fixation. 2, 45 days after the operation to be carried out a review, mainly to see whether there is no displacement of the end of the fracture, the internal fixation will be loosened, and to observe the end of the fracture there is no scab began to grow, that is to say The main purpose is to see if there is any displacement of the fracture end, whether the internal fixation will be loosened, and also to see if the fracture end has started to grow, that is, whether the fracture line is blurred.3. 3 months after the operation, the main purpose is to determine if there is any delayed healing of the fracture end.4. 6 months after the operation, it is necessary to see if the bone scab has been formed. If it is formed, it means the fracture has begun to heal, and if the fracture line has disappeared, it means the fracture has completely healed.5. 1 year after the operation, if the fracture line has completely disappeared, the internal fixation can be removed.