Drowning is to point to the person was under water because of respiratory tract of water into spasm stimulation, shrinkage obstruction, cause choking and lack of oxygen. A drowning man will often present face is bruised and swollen, eyes congestion, vomit a white mo, the phenomenon such as cold limbs, need of emergency rescue. Emergency measures As soon as possible after a drowning man had found that should be the rescue of the water, but playing rescuer such as don't know the water rescue and don't understand the hydrologic information, not water easily, can make full use of the equipment, such as rope, poles, life saving, etc. A drowning man will be flat on the ground miscalculates, quickly open the mouth cavity, clear in the nose, throat inside the foreign body, such as silt, weeds, so as to make the respiratory maintain patency. When a drowning man had to stop breathing or very weak, shall be immediately implement method of artificial respiration, and when necessary, doing chest outside heart pressure. Breathing, heartbeat had a drowning man short-term recovery may stop again, so 10 million don't give up artificial respiration, should have been to stick to professional rescue workers coming. Had a minor shoulds not be launching save, can adopt the way police for help. For a drowning man had attention to keep warm.