If the patient’s temperature exceeds 38℃ after chemotherapy, it is recommended to take oral non-steroidal anti-inflammatory drugs for treatment. This kind of drugs has the function of antipyretic and analgesic, representative drugs include acetaminophen, ibuprofen, etc., according to the cause of the disease to give drugs for treatment. After chemotherapy, the patient’s body resistance is relatively low, and the immune function is low, it is recommended to take oral immunity enhancers, and the diet should increase nutrition to enhance the body’s resistance. Avoid overwork and exposure to cold to prevent pathogenic microorganisms such as bacteria or viruses from invading the body and causing serious infections. Pay attention to more rest, drink more water, minimize the access to public places, with the effectiveness of drug treatment, the patient’s body temperature will gradually return to normal.