Body temperature >38.5℃ needs oral ibuprofen antipyretic treatment. As pediatric tonsillitis presents with enlarged and suppurated tonsils, it is often accompanied by recurrent fever and local symptoms such as nasal congestion, pharyngeal discomfort and sore throat, as well as systemic symptoms such as fever, headache, malaise and general malaise. Acute tonsillitis often results in a sudden rise in body temperature to 39.0℃, with frequent fever and short intervals between fevers, which may occur again at intervals of 2-4 hours. Therefore, you need to go to the hospital to improve blood routine and ultrasensitive C-reactive protein tests, and need oral antibiotics and topical spray with open throat sword to treat the infection.