Adenoid hypertrophy in children is a common disease in otorhinolaryngology.Clinical manifestations in-clude nasal congestion and rhinorrhea,cough and snoring,open mouth breathing.It can cause such as obstructive sleep ap-nea hypopnea syndrome(OSAHS)and secretory otitis media in long-term development.AH is mainly caused by immuno-logical reactions,and the pathogenesis has not been clearly elaborated.Now the main treatment options are surgical resec-tion and non-surgical treatment.This article summarizes the research progress of the etiology and treatment of AH,in or-der to provide new ideas for the treatment of AH.