Pediatric obstructive sleep apnea refers to the cessation of oral and nasal airflow during sleep, but the presence of respiratory movements, mainly due to severe adenoid hypertrophy, such as obstructive apnea more than once per hour during sleep for a long period of time is considered pediatric obstructive sleep apnea. It will affect the growth and development, psychological behavior and intellectual development of children, parents must go to the hospital in time. Main causes 1, genetic factors: if parents suffer from obstructive sleep apnea, the chances of children suffering from the disease are about 80% or more; 2, disease factors: children suffering from adenoids and tonsil enlargement, resulting in airway obstruction, may cause obstructive sleep apnea. Treatment 1, parents can use intranasal inhalation glucocorticoids, oral second-generation antihistamines, such as loratadine, cetirizine, etc., under the guidance of a doctor, can effectively improve airway obstruction, relieve nasal congestion, snoring symptoms; 2, serious adenoids, tonsil hypertrophy caused by obstructive sleep apnea disorder in children, can be surgically removed hypertrophic glands, improve sleep snoring, open-mouth breathing The symptoms of sleep snoring and open-mouth breathing can be improved by surgically removing the enlarged glands. Note that if a child has symptoms of open-mouth breathing, nasal congestion, big wheezing, repeatedly turning over and other breathing interruptions during sleep, headache, dry throat, disorientation reactions in the morning, and in severe cases, symptoms of cerebral hypoxia, specifically memory loss, inattention, short temper, etc., the presence of obstructive sleep apnea needs to be considered and needs timely treatment.