For patients with open fractures with wounds, the wounds should be sutured immediately. It is best to cover the wound with a clean cloth and clothes, and then wrap it with a cloth belt; When dressing, it is not advisable to be too tight or too loose. If the fracture end is exposed, be careful not to try to put it back, and keep it exposed to avoid bringing bacteria into the deep part of the wound and causing deep infection. If it is a fracture or dislocation joint reduction, it should be noted and explained to the doctor when it is sent to the hospital; Compression can stop the bleeding. It should be remembered that once bandages and ropes are used to stop bleeding, the time of bandages must be recorded, generally not exceeding 1 hour, so as to avoid limb ischemia and necrosis caused by too long time. In general, the tourniquet should be loosened for at least 5 minutes every 1 hour.