Obstructive sleep apnea（OSA） is a common disease in otolaryngology in children, and its incidence rate is increasing gradually, which seriously endangers children's growth and development, behavior cognition and so on. There are many etiologies of OSA in children. Besides tonsil hypertrophy and/or adenoid hypertrophy, the most common one, there are many different levels of airway obstruction caused by inflammation, dysplasia, obesity and other reasons. Different individualized treatment plan should be taken according to different etiology. This paper summarizes the different treatment methods of children OSA.
