Organism local tissue swelling after the choice of cold compresses or hot compresses, mainly depends on the time of injury: 1, the injury time has been more than 24 hours or more you need to use hot compresses, hot towels and other hot compresses on the injured area, in order to promote the dissipation of blood stasis to reduce the swelling of local tissues; 2, in the injured within 24 hours, you need to use cold compresses, cold towels and other cold compresses on the injured area, so that rupture of the vasculature contraction to reduce the extravasation of blood and thus Reduce blood stasis and swelling. In the cold or hot compresses at the same time also need to cooperate with the debridement treatment, there are foreign bodies in the wound also need to remove the foreign body, with saline rinse the wound, iodine povidic disinfection outside the gauze bandage, every three days or so disinfection in order to observe the wound, at the same time with the taking of blood circulation and anti-bacterial drugs, in order to prevent the wound infection and promote the wound healing.