Low fever during the day and high fever at night indicates that the condition is not effectively controlled and the condition has changed. It is necessary to drink more water, pay attention to rest, supplement vitamin C, avoid going to places with many people as much as possible to prevent cross-infection, be alert to fever-induced convulsions and prevent dehydration caused by high fever. If the temperature is greater than 38.5 degrees, you can use indomethacin suppositories in the anus, or take oral antipyretic and analgesic drugs such as ibuprofen and acetaminophen, which can play a rapid role in reducing fever. If the fever is caused by a cold, you can take oral anti-cold drugs such as cold spirit pellets and aminophenol pseudo-masmin tablets, which can treat and relieve various symptoms caused by cold, such as fever, headache, nasal congestion, runny nose and sneezing. You can also take oral Chinese medicines, such as Pudilan Anti-inflammatory Oral Liquid, Blue Scutellaria Oral Liquid, Qingkailing Granules, Banlangen Granules, etc. to clear heat and detoxify toxins. If the fever is caused by wind-cold cold, you can use Jing Fang Wei Po Poison San plus or minus. If the fever is caused by wind-cold cold, you can use Yin Qiao San plus or minus. The combination of Chinese and Western medicine treatment is more effective and the treatment period is shorter.