After the fever, there are ways to reduce fever, physical cooling, medication cooling, generally speaking, medication cooling fast and effective. 1. Physical cooling: in the early stage of fever, when the body temperature is about 38 degrees or less, you can choose physical cooling, the main method is to use a warm towel to wipe the armpits and groin, rubbing alcohol on the forehead, neck, chest or back, etc., and at the same time, you can drink a lot of water to promote excretion, which is conducive to the lowering of temperature. 2. Drugs to lower the temperature: when the body temperature reaches 38.5 degrees above or even 40 degrees, to consider drugs to lower the temperature. Usually you can choose to take ibuprofen, or choose indomethacin suppository anal plug. Some patients can consider intramuscular injection of compound aminobarbital (analgin) when the body temperature reaches 39 degrees or more. When using drugs to lower the temperature, must be under the guidance of the doctor, do not blindly use their own drugs.