Finger nails and flesh cut in half need to be disinfected to stop bleeding, bandage treatment, timely surgery and other methods of treatment. Patients should first use alcohol and other preliminary disinfection and pressure to stop bleeding, and then go to the hospital to find a doctor’s consultation, if the bleeding is more, it is necessary to clean and disinfect the wound, so as to avoid infection and other conditions, and use a bandage to stop bleeding. If the wound is relatively large, skin grafting should be performed under medical supervision if necessary. When the wound is in contact with objects such as iron nails or when the wound is deeper, tetanus vaccine needs to be injected within 24 hours. During the recovery period, patients should keep local cleanliness and hygiene, eat a nutritious diet rich in protein and vitamins, and pay attention to regular anti-inflammatory disinfection to prevent infection.