Humerus fracture is a relatively common disease in orthopedic clinics. If the injury is treated by a regular hospital orthopedic surgeon visit and it is clear that it can be treated conservatively, it is recommended to give external fixation in plaster or brace or splint, and the time for conservative treatment is about 12 weeks, while the time for external fixation is 6-8 weeks. This is because humerus fracture is a long bone fracture and its recovery period is slow, following the 3 stages of fracture healing: Stage 1, the hematoma mechanization period, is 2-4 weeks, when fresh granulation is just produced at the fracture end and can form a granulation package. Stage 2, the primary scab formation period, is 4-8 weeks, when the fracture end has a partial scab formation but is not yet strong enough to require continued fixation therapy. After 6-8 weeks, the splint or cast can be removed and the necessary functional exercises can be performed. It should also be noted that during the treatment period, you should go to the hospital regularly to take pictures for review, and pay attention to a light diet, take oral medication to promote blood circulation and reduce swelling, joint pain, prohibit smoking, alcohol and avoid strenuous exercise, etc. for early recovery.