Fever is a common clinical symptom, refers to the body under the action of pyrogen or the dysfunction of the body temperature center, so that the heat production process increases, while the heat dissipation can not be increased or reduced accordingly, the body temperature rises above the normal range. In addition to going to the hospital after a fever, the following methods can be used at home to reduce fever if the body temperature does not exceed 38.5°C: 1. Lower the room temperature: If the home is equipped with air conditioning, the room temperature can be kept at 21°C-24°C. If the room is not equipped with air conditioning, the windows can be opened for ventilation, twice a day, for at least 15 minutes each time. If the room is stuffy, use an electric fan to promote air flow, but do not blow directly to the fever patient. 2.Reduce clothing: Avoid wearing or covering too much when you have a fever, especially for infants, avoid wrapping with thick quilts, avoid wearing too thick clothes, loosen the wrapping when you have a high fever, and unbutton the collar and trouser belt to facilitate heat dissipation. 3, warm water bath method: that is, with a towel dipped in warm water wipe the whole body, the temperature of the water is 32 ℃ -34 ℃ is more appropriate, each wipe time control in 10-20 minutes, wipe the key parts of the neck, armpits, groin and other places. 4, towel wet compress method: for patients with low fever in general, the towel soaked in cold water wrung into a semi-dry, compressed in the forehead of the patient or the armpit, groin and other large blood vessels, to achieve the purpose of cooling. 5. Drink more water: Drinking more water when you have a fever can not only replenish fluids, but also speed up sweating and urination to promote the discharge of toxins and metabolic wastes from the body, which will help the condition recover as soon as possible.