Chronic tonsillitis is mostly a chronic inflammatory disease that is transferred from repeated episodes of acute tonsillitis. 1, chronic tonsillitis is caused by the accumulation of bacteria and secretions in the tonsillar fossa. Allergic reactions, and in this way, it is believed that this is an important reason for the recurrence of chronic tonsillitis and the occurrence of complications. 2. Patients often have a history of recurrent acute tonsillitis, and often have sore throat during attacks; between attacks there are few conscious symptoms, and there may be mild symptoms such as dryness, itching, foreign body sensation, and irritating cough in the pharynx. Halitosis occurs if there is cheese like decay retained in the tonsillar fossa or if there is a large amount of anaerobic bacterial infection. Pediatric patients with excessive tonsillar hypertrophy may have dyspnea, sleep snoring, and dysphagia or speech resonance disorders. Systemic reactions caused by pus plugs in the crypt being swallowed and irritating the stomach and intestines, or absorption of bacteria and toxins in the crypt, lead to indigestion, headache, weakness, and low fever. In conclusion, chronic tonsillitis is mostly a common chronic inflammatory disease in otorhinolaryngology that is transferred from repeated episodes of acute tonsillitis.