Girls with a fever of 38 degrees can be reduced by physical cooling and medication to reduce fever, should be to find the cause of fever. 1. Physical cooling: the environment should be kept cool and ventilated, and the clothing worn can be appropriately reduced, and warm water baths can lower the body temperature. At the same time, children with fever should also be supplemented with enough water. 2. Drugs to reduce fever: non-steroidal anti-inflammatory drugs, such as ibuprofen, acetaminophen, etc. can be chosen as antipyretics. 3. Find the cause of the disease: clinical causes of fever are infectious and non-infectious, infectious fever is common, heat treatment is only symptomatic treatment, treating the symptoms rather than the root cause, should be actively looking for the cause of the cause of treatment. Such as bacterial infections, you can take cefixime, cefaclor and other antibacterial drugs for treatment; mycoplasma infections can use azithromycin and other antigenic treatment; if the influenza virus can be used for oseltamivir and other antiviral drugs. Non-infectious factors such as cutaneous mucocutaneous lymph node syndrome are usually treated with gammaglobulin and prednisone. Children’s body does not adapt to timely medical treatment, the above drugs need to be taken under the guidance of a doctor, not blindly use their own drugs, resulting in adverse consequences.