When you have a fever, you can blow the air conditioner. If you have a fever caused by wind-cold in winter, and you are afraid of cold, you can turn the air conditioner to hot air, which can dispel the wind and cold, and relieve the sweating effect, which is conducive to the recovery of the cold and the reduction of body temperature. If the fever is caused by wind-heat cold, or fever caused by summer dampness cold, you can turn the air conditioner to cold wind, which is conducive to the reduction of body temperature, but the temperature should not be too low and the air conditioner blowing directly. When you have a fever, you can take anti-cold medicine such as cold and flu granules and aminophenol pseudo-masmin tablets orally, which can treat and relieve various symptoms caused by cold and flu. If the body temperature is greater than 38.5℃, you can use indomethacin suppositories in the anus, or take oral antipyretic and analgesic drugs such as ibuprofen and acetaminophen, which can play a fast role in reducing fever. It can also be treated by Chinese medicine, such as Shuanghuanglian Oral Liquid, Blue Scutellaria Oral Liquid, Pu Di Lan Anti-inflammatory Oral Liquid, and other drugs to clear heat and detoxify.