Background: In the 17th and 18th centuries, Santorini and Wilhem Mayer described the adenoids. Enlarged adenoid or adenoids is a common disorder in children, not only compromise the natural pathway of breathing, but it also obstructs the nasopharyngeal opening of Eustachian tubes. As a result, retention of fluid in the middle ear cavity and the development of glue ear or otitis media with effusion (OME). If it happens, the children present with hearing loss, delayed speech and language, poor social behavior, and may with difficulties of balance. Methods: It is a cohort retrospective study of 251 cases in the Department of Otolaryngology and Head-Neck Surgery, Cumilla Medical College, and Cumilla Medical Centre, Bangladesh, from 01 July 2016 to 31 June 2019. Results: Incidence of adenoids with glue ear, out of total ENT routine operations was 3.54%, and adenoidectomy-tonsillectomy operations were 29.05%. Of them, the male was 102(40.64%), the female was 149(59.36%), 3-5 years were 83(33.07%), 6-10 years 107(42.63%), and 11-15 years 61(24.30%).