Electrocution wound swelling range is small, dynamic observation can be, if the range of larger end of the cold, purple and black color, need to be timely decompression. Electrocution injury is easy to cause local soft tissue swelling, first of all need to observe the affected area and finger swelling, if the electric shock part of the finger part of the trauma is small, there is no obvious blood flow obstacles, generally only need to elevate the finger, increase the amount of return blood, while dynamic observation. At the same time should also be given tetanus antitoxin to prevent tetanus, intravenous cefuroxime, levofloxacin and other antibiotics to prevent infection. However, if the electric shock range of the finger is large, there is a scab wound situation, and at the same time there is the end of the cold, purple color, black situation, this time need to timely cut and reduce the tension treatment. If not treated in time, it may cause ischemic necrosis of the finger. Therefore, it is best to go to the hospital immediately after the occurrence of electric shock injury by a specialist doctor for examination and emergency treatment.