The fastest way to reduce fever is mainly in two areas: First, is the drug treatment there are ibuprofen, paraethylaminophen. The second is physical cooling: physical cooling is mainly divided into four aspects. 1, is warm water scrubbing, through warm water scrubbing, will make the skin small blood vessel expansion, the use of body temperature evaporation of water, will take away a lot of heat and cooling. 2, 30% alcohol bath, alcohol can expand the blood vessels evaporation will take away a lot of heat, infants and young children with fever can help cool down. 3, a lot of drinking water, a lot of water can also promote the timely 4, is the ice bag cold compress, put in the refrigerator frozen, oil gel state into a solid state after taking out, wrapped in a towel on the baby’s head, forehead, neck, armpits, etc., can quickly reduce fever.