Crush injury is the trauma caused when the human trunk and limbs, including the abdomen and chest, are squeezed by external forces. This kind of trauma is commonly seen in car accidents and landslides, and is mainly manifested in bruising and swelling of the skin, and may also cause fractures and muscle tears. In severe cases, internal bleeding, including bleeding from the chest, liver, spleen, intestines and other internal organs, will often cause shock, in the face of this situation, the lighter crush injuries are generally given cold compresses, braking, avoiding joint activities of the limbs; serious crush injuries, you need to immediately call 120, timely hospital consultation.