1.Recurrent episodes of acute tonsillitis, or those who have not had recurrent episodes but have caused parapharyngeal infections or peri-tonsillar abscesses. 2.Tonsils are excessively enlarged, preventing swallowing, breathing and vocalization. 3.Adenoid hypertrophy causes open-mouth breathing, snoring, or nasal congestion. 4.Adenoid hypertrophy causes hearing loss due to secretory otitis media or causes recurrent purulent otitis media, which cannot be cured for a long time. 5. Those who have formed “adenoid face”, and have wasting and developmental disorders. 6.Adenoid hypertrophy accompanied by recurrent inflammation of the nasal cavity and sinuses, or frequent upper respiratory tract infections.