In clinical practice, if the patient has red and swollen tonsils and persistent fever, it means that the inflammation is more serious and must be actively treated with infusion, cefoperazone sodium injection or cefamandole injection to reduce inflammation, a skin test needs to be done before using the drug, and intravenous drip sputum fever clear injection can also be used. If there is more phlegm in the throat, you can also add Ambroxol Hydrochloride Injection to treat it together, and during the treatment period, you can do nebulized inhalation treatment with Beclomethasone Propionate Suspension. The fever should improve after about three days of active treatment. If necessary, intramuscular injection of dexamethasone injection can effectively reduce the fever, and the symptoms will improve after active treatment.