Four-year-old child cough, fever, generally need to give the child more drinking water, can dilute phlegm, is conducive to the discharge of phlegm, can prevent dehydration caused by high fever phenomenon, effective prevention of high fever caused by convulsions. Oral pediatric aminophenol xuanamin granules, pediatric cough and phlegm granules and cefixime can be used for symptomatic treatment. If the body temperature exceeds 38℃, give ibuprofen suspension drops for symptomatic treatment. In Chinese medicine, cough and fever caused by wind-cold cold are treated with Jingpangdaepiao Tang, which has the effect of pungent warmth and symptomatic relief. Fever and cough caused by wind-heat cold are treated with Yin Qiao San, which has the effect of relieving the symptoms with pungent coolness. For fever caused by summer dampness, add or subtract Elsholtzia Drink, which has the effect of clearing summer heat and removing dampness. It can also be treated with Xiao Chaihu Granules and Banlangen Granules.