Adults burned to 39 degrees, first of all, the temperature should be controlled down in time, generally can be used physical cooling or medication cooling methods. Secondly, we should go to the hospital in time to diagnose the cause of the disease and take targeted treatment. 1. Physical cooling: physical cooling is fever patients in addition to drug therapy, more simple, safe cooling methods, general cold compresses, wipe the body, take a warm bath, etc., can effectively and quickly reduce the body temperature. 2. Drugs to reduce temperature: commonly used antipyretics are mainly non-steroidal anti-inflammatory drugs, such as ibuprofen, acetaminophen, etc., which can have a good therapeutic effect on fever. They should be used in careful accordance with the instructions to avoid adverse reactions. If the temperature does not go down after self-treatment, it is necessary to go to the hospital in time to improve the relevant examinations, to clarify the cause of the fever, and further treatment under the guidance of the doctor, in order to prevent the condition from worsening.