Depending on the severity of the broken jaw, different treatments can be taken. First, if the patient’s chin is more serious, not only with local skin damage, but also with local fracture. At this time, the patient will be accompanied by severe pain, obvious swelling of the jaw, need to improve the local X-ray examination as soon as possible, to clarify the degree of fracture damage, as soon as possible for surgical treatment. After surgery, anti-infection, analgesia, fluid replacement and other supportive treatment can be given, and often achieve better results. Secondly, if the degree of chin injury is superficial, only accompanied by local skin soft tissue injury, local capillary hemorrhage. At this time, it is necessary to give vitality iodine, hydrogen peroxide, saline to thoroughly clean and disinfect the wound as soon as possible. If there is active hemorrhage, it is necessary to perform suture and hemostasis. Patients need to be injected with tetanus antitoxin or tetanus immunoglobulin as soon as possible within 24 hours to prevent tetanus infection. In most patients, the local wound can be completely healed after 3-5 days, and the removal of silk suture is performed.