It is useful to drink a lot of water when a fever occurs. Drinking a lot of water can replenish the water in the body, promote blood metabolism, and help the body temperature to fall, which will not play a role in reducing fever for a serious increase in body temperature, but will make the body temperature drop and the body feel better. When the body temperature is mildly elevated, there is no need to take antipyretic drugs, drink more water, pay attention to heat dissipation, preferably drink hot water, so that the body has sweat, sometimes the body temperature can gradually fall, because the human body has the ability to resist disease, as long as there is no obvious cause of infection, simply rely on the usual life diet, is able to relieve the symptoms. If the fever is caused by a serious infection, it needs to be treated with antipyretic drugs. After taking antipyretic drugs, you will sweat and drink more water to replenish the heat. In the case of severe infection, it is necessary to take drugs for standardized treatment, and it is usually best to have a liquid or semi-liquid diet.