7-year-old child fever 39 ℃ need to take drugs under the guidance of the doctor with physical methods to lower the temperature, while actively find out the cause of targeted treatment. 1. Drugs with physical methods to lower the temperature: 7-year-old children with a fever of 39 degrees to use drugs to lower the body temperature, such as ibuprofen suspension, acetaminophen and so on under the guidance of a doctor. At the same time with physical methods to lower the temperature, such as warm water wipe armpits, groin, neck and other large blood vessels are rich in places to help dissipate heat. 2. Find the cause of the disease: Whether it is physical cooling or drug cooling, but only a temporary process to reduce body temperature. It is important to find the cause of targeted treatment, such as bacterial infections can be prescribed by the use of amoxicillin, cefixime and other drugs, mycoplasma infections caused by a fever of 39 ℃ can take azithromycin and other drugs. 7-year-old child with a fever of 39 ℃ persistent high temperature does not go down, it is recommended to seek medical attention. The medication should follow the doctor’s instructions.