Clinically, there is no such thing as the best way to reduce fever, but physical cooling (cold ice, warm water and drinking plenty of water, etc.) and medication can be used to reduce fever. 1. Physical cooling (1) Ice cold compresses: use a clean dry towel, wrapped in ice or frozen mineral water, placed on the neck, groin and other parts of the body, can promote the dissipation of heat, has a certain cooling effect. (2) Warm water cooling: Wet towels with warm water to wipe the whole body or take a bath, so that the blood vessels dilate, with the body surface of the water temperature drops, through conduction heat dissipation and achieve the purpose of cooling. (3) drink more water: you can drink more water to promote sweating to regulate body temperature, but also has diuretic function, so that the toxins with the urine out of the body to achieve the purpose of cooling. 2. Drugs to reduce temperature: If the effect of physical cooling is not obvious, you can use ibuprofen tablets or acetaminophen tablets for patients to reduce temperature, with antipyretic and analgesic effect, mainly through the inhibition of prostaglandin synthesis and play a role in the human body, so as to achieve the purpose of lowering the temperature. If the patient has a low-grade fever and it does not improve, it is recommended to go to the hospital in time, under the guidance of the doctor for treatment.