There should be a general judgment after the finger is pinched, if it is only a slight crush injury, you can carry out your own treatment, mainly including the following: 1, the finger for cold compresses, cold compresses should be avoided to directly contact with the ice, otherwise it is easy to frostbite fingers. Cold compresses can achieve vasoconstriction, anti-inflammatory, swelling purposes, generally cold compresses for about 10 minutes, rest 1-2 minutes and then repeat the cold compresses for about 10 minutes. Do not rub the fingers and hot compresses, which is easy to aggravate the injury. 2, if the finger has a skin wound, clean up the general first rinse the wound with water, and then use iodine vapour and saline repeatedly rinse the wound, disinfection of the wound, aseptic bandage for bandaging, fixation, pay attention to the appropriate degree of tightness. 3, if the injury is more serious, do not rule out the existence of fractures or muscle, tendon and soft tissue injuries, you can temporarily choose a length of the finger similar to the splint to fixate the finger. If the injury is more serious, the existence of fracture or muscle, tendon and soft tissue injury cannot be ruled out, you can temporarily use the splint with the length similar to that of the finger to fix it, and then go to the hospital for further examination to make clear whether there is any fracture or other muscle or tendon injury. Therefore, depending on the severity of the pinched hand, different degrees of treatment are needed.