The main methods to reduce fever in adults include physical and medication cooling. Fever in adults is often considered to be caused by infections, such as viral and bacterial infections. 1. Physical cooling such as warm water bath, you can use a towel dipped in warm water, in the bilateral neck, armpits, groin, popliteal fossa and these parts of the wipe. You can also use ice lollipop to cool down the body temperature by wrapping a dry towel around the ice lollipop and letting it be clamped in the armpits or placed on one side of the neck. The purpose of physical cooling is to improve patient comfort and shorten the duration of fever. 2. Drugs are often used to reduce fever caused by infection. (1) If the fever is caused by viral infection, ibuprofen, acetaminophen and other non-steroidal antipyretic and analgesic drugs can be used. (2) If the fever is caused by a bacterial infection, antibiotics can be targeted. Commonly used antibiotics include cefoperazone, levofloxacin and so on, but need to check the blood routine, and do blood culture. The use of drugs need to follow the doctor’s instructions, it is recommended that patients go to the local hospital in time for consultation and treatment, to clarify the cause of fever, and for the treatment of the cause of the disease. At the same time, relevant examinations can be done, such as routine blood tests, chest CT, etc., to rule out organic lesions in the lungs.