Fever over 38.5℃ can be treated with antipyretic suppositories, which are non-steroidal anti-inflammatory drugs with antipyretic, analgesic and pain-relieving effects. The patient will sweat a lot after using the fever suppositories, so it is recommended to drink more water during this period to replenish the water loss in the body and prevent the loss of body fluids. At the same time to rest, life should be regular, avoid smoking and alcohol, to avoid excessive exertion and cold, diet should be liquid, soft, easy to digest food, do not eat raw, cold, hard, spicy, and greasy, irritating, high-fat food, to give drugs for the cause of treatment.