Hand accidentally cut by the knife bleeding should be timely pressure bandage to stop bleeding, and then go to the hospital for thorough trauma, suture treatment and other treatments. 1. Pressure bandage to stop bleeding: local pressure bandage is the most commonly used method to stop bleeding after injury. For smaller wounds, sterilize the wound with sterile dressing or band-aid and change the dressing regularly. If the wound is large and bleeds a lot, you need to go to the hospital after applying pressure bandage. Avoid dressing too tightly or for too long, otherwise it will lead to necrosis of the finger. 2. Cleansing and suture: For larger and deeper wounds, disinfection is needed, local anesthesia is needed for cleansing and suture treatment, and the medication is changed regularly and the suture is removed. If the cut area is deep enough to injure blood vessels, nerves and bones, the damaged blood vessels, nerves and bones should be repaired as soon as possible. 3. medication: for more painful wounds, you can follow the doctor’s instructions to take the appropriate amount of ibuprofen and other analgesic drugs; you can take amoxicillin, cefaclor and other antibiotics anti-infective treatment; if the wound contamination is heavy or deep wounds, the patient should be injected with tetanus antitoxin serum to prevent and control tetanus. Hand accidentally cut by the knife bleeding should go to the hospital in a timely manner, with the help of the doctor as soon as possible treatment.