It is better to check the blood test, chest X-ray, and blood sedimentation when fever is present, and analyze it according to the blood picture and X-ray. If it is caused by viral, antiviral drugs can be given for symptomatic treatment, such as ribavirin. If it is caused by bacterial infection, antibiotic drugs can be used, such as penicillins, cephalosporins, macrolides and quinolones. Oral Chinese patent medicines such as Lianhua Qingdian Granules, Qingkailing Granules, Pu Di Lan Anti-inflammatory Oral Liquid, Blue Scutellaria Oral Liquid, Xiao Chaihu Granules and other fever-clearing and detoxifying medicines can be taken. When you have a fever, you need to drink more water, pay attention to rest, supplement vitamin C, and prevent cross-infection. Chinese medicine can be used to treat fever caused by wind-cold cold, with the addition and subtraction of Jingpeng Defeating Toxin San, which has the effect of pungent warmth and relieving the epidermis. If the fever is caused by wind-heat cold, use Yin Qiao San to add and subtract, which has the effect of pungent and cool to remove the surface.