A 4-year-old child with a fever of 39 degrees can take antipyretic and analgesic drugs such as acetaminophen suspension and ibuprofen suspension orally, which can play a fast role in reducing fever. When you have a fever, you need to drink more water, pay attention to rest, take vitamin C supplements and prevent cross-infection. You can wipe your child’s forehead, armpits and groin with warm or cool water. You can use pediatric fever patches and pediatric tui na to assist in treatment. If the fever is caused by cold, you can take pediatric cold and flu granules orally, which can treat and relieve various symptoms caused by cold, such as fever, headache, nasal congestion and sore throat. Fever caused by wind-cold cold can be treated with Jing Fang Wei Po Po Poison San Plus, which has the effect of warming and relieving the symptoms. For fever caused by wind-cold, it can be treated with Yin Qiao San plus or minus, which has the effect of cooling the exterior of the body. You can also take oral Chinese medicines, such as Pu Di Lan Anti-inflammatory Oral Liquid, Blue Scutellaria Oral Liquid, Qing Kai Ling Granules, Pan Lan Gen Granules, Antelope Granules, etc. to clear heat and detoxify the toxins.