The damage of electric shock injury mainly has the following two points: 1, the damage to the whole body muscles, especially the damage to the heart muscle, there may be acute myocardial damage and lead to myocardial ischemia, affecting the normal beating of the heart, malignant arrhythmia, serious and may lead to cardiac arrest and death. 2, the damage to the local soft tissue, if the serious electric shock injury will lead to local skin, subcutaneous tissue or muscle burns, the early stage can be manifested as local superficial wounds, but the underlying soft tissue may be slow to occur in about 3-5 days, a sterile necrosis. The early stage can be shown as a local superficial wound, but the underlying soft tissue may appear in about 3-5 days, local aseptic necrosis, local infection, inflammation.