If the fever is caused by a common cold, the course of the illness is usually about 5-7 days. If the fever is caused by epidemic virus, the course of illness is usually around 10 days, which can be shortened by medication. For fever caused by cold, you can take cold medicine such as cold medicine granules, Meguai pseudo-anesthesia capsule, compound methaprene tablet, aminophenol pseudo-anesthesia capsule orally, which can treat and relieve various symptoms caused by cold. If the fever is caused by epidemic virus, you can take Oseltamivir phosphate capsules orally, which can treat and prevent the onset of influenza virus. You can also take oral Chinese medicine, such as Pu Di Lan Anti-inflammatory Oral Liquid, Blue Scutellaria Oral Liquid, Lian Hua Qing Fever Granules, Pan Lan Gen Granules, Xiao Chai Hu Granules, Antelope Granules, etc. to clear the heat and detoxify the toxin. If the fever is caused by wind-cold cold, you can use Jing Fang Wei Po Poison San with addition and subtraction, which has the effect of pungent warming and relieving the symptoms. If the fever is caused by wind-heat cold, you can use Yin Qiao San plus or minus, which has the effect of pungent and cooling to relieve the symptoms.