For patients with severe abrasions, the first step is to protect the trauma, and for those with severe bleeding, exclude internal fractures and visceral injuries, and then apply pressure to stop the bleeding and bandage to protect the trauma, and then send the patient to the hospital for medical treatment. To the hospital to first carry out the appropriate examination, exclude fractures, visceral trauma, hemorrhagic shock and other conditions, the need for trauma to the following treatment: 1. Wound debridement: disinfect the wound thoroughly with iodophor and other disinfectants, after local infiltration anesthesia, flush the wound with 3% hydrogen peroxide, saline and so on, remove foreign objects, ligate the larger bleeding point to stop bleeding, debride the larger wound thoroughly, intermittent suture to reduce the size of the wound. After the operation, the wound should be changed regularly and the suture should be removed. 2. Inject tetanus antitoxin to prevent tetanus. 3. take amoxicillin, cefaclor and other antibiotics to prevent infection, serious infections need intravenous penicillin injection, cefazolin, ciprofloxacin and other antibiotic treatment. During the recovery period, we should take reasonable care, change the medicine regularly, and pay attention to observing the wound condition.