Adults with fever caused by inflammation of tonsils should be treated with fever-reducing treatment immediately. Physical cooling or medication can be chosen according to the body temperature, and the inflammatory infection of tonsils can be treated at the same time. 1. Anti-fever treatment: if the body temperature is lower than 38.5 ℃, physical cooling can be taken, through the wet towel on the forehead, warm water to wipe the armpits, groin, etc., and at the same time, drink more fluids, replenishment of water and electrolytes; if the body temperature is higher than 38.5 ℃, medication should be taken, non-steroidal anti-inflammatory drugs such as ibuprofen and other antipyretic treatments, and at the same time, close observation of the condition. 2. Anti-infection: tonsil inflammation is mostly caused by type B hemolytic streptococcus infection, preferred penicillin, according to the severity of the disease to determine the route of administration, the treatment of 2-3 days after the effect is not good, analyze the reasons for the replacement of antibiotics, cephalosporins or macrolides, such as cefuroxime, azithromycin, etc.; if necessary, drug sensitivity test to select sensitive antibiotics. Apply glucocorticoids, such as dexamethasone, as appropriate. In short, adults with tonsillitis caused by fever, should promptly go to the hospital, under the guidance of the doctor for treatment.