Trauma to the hand is almost unavoidable in daily life and domestic work, and treating it as soon as possible will reduce pain and healing time. Hand trauma can be divided into two categories: blunt force trauma and sharp force trauma. First, how to deal with blunt force injuries to the hand? Blunt force injuries are common by heavy objects and hard objects, most of the skin will not break, subcutaneous bruising or hematoma, at this time to use a cold towel or cold water bag external compress for about half an hour, can prevent the hematoma increase, reduce pain. If the finger nail hematoma, a red-burning paper clip can be used to puncture small holes in the nail hematoma vertically, blood from the hole out, and then put on the wound protection tape, can stop the pain and protect the nail does not fall off. In general, small injuries to the hand will heal in four or five days, if the swelling does not subside or septic, you should go to the hospital. In addition, blunt force trauma caused by tissue contusion, can cause skin lacerations, serious cases can lead to skin avulsion, tendon, nerve damage and fractures, heavy smash, can cause serious destruction of the fingers or the whole hand of various tissues, high-speed rotating blades, such as turbines, electric fans, etc., often resulting in broken limbs and broken fingers. Encounter such more serious injuries, should be immediately sent to the hospital emergency. Note: If there is a severed limb or finger injury, it is best to the severed limb or finger wrapped in plastic, placed in a low-temperature insulation bucket to preserve, and sent to the hospital with the patient, do not freeze to preserve the stump or the stump directly in ice water. Second, the finger cut (cut) injury how to do? As the saying goes, people are food for the day, people’s three meals a day is essential, even the busy working people will also be in the holiday personally cooked a meal. Some people are also used to watching TV while peeling fruit to eat, but often will accidentally cut (cut) to their fingers. So what to do when you encounter this situation? If the wound is shallow and bleeding is small, and the injury is not serious, use clean water to clean the wound residue, pinch the injured part and put pressure on it to stop the bleeding, then cover the wound with a Band-Aid. It is not recommended to apply red salve or hemostatic powder or other drugs on the wound, just keep the wound clean. If the wound is large and bleeding, you should stop the bleeding first and then rush to the hospital immediately. The specific method of stopping bleeding is: the wound is wrapped with clean gauze, pinch the root of the fingers on both sides and hold them high above the heart, because the blood vessels here are distributed on the left and right sides, take this gesture can effectively stop the bleeding. The use of rubber tourniquet effect will be even better, but note that every 20-30 minutes must relax the tourniquet for a few minutes, otherwise it is easy to cause ischemic necrosis of the finger. Third, hand trauma-related considerations The wounds of the fingers must be treated within 8-12 hours, and treatment should not be delayed. So deeper wounds should go to the hospital as soon as possible to dress and treat the wound, and inject tetanus antitoxin if necessary. Note: change the medicine in time to avoid infection, pay special attention to keep the hand warm, if you find signs of infection in the wound, such as local ischemia and purple, you need to go to the hospital to deal with it. It is also necessary to give good braking to the injured hand, which can not only prevent aggravating tissue damage, but also reduce the pain of the injured person. If the brake is not applied, the injured person may aggravate the injury to important blood vessels or nerves by gravity pulling, transportation vibration, and limb twisting during the transfer of the broken end.