In recent years, there have been more and more upper respiratory tract infections in children because of increased air pollution and other reasons, which has led to more and more snoring in children due to tonsillar adenoid hypertrophy. Besides tonsillar adenoid and tonsillar hypertrophy, obesity, some rare syndromes such as Down’s syndrome, mucopolysaccharide syndrome, craniofacial anomalies, sickle cell disease, and neuromuscular diseases can also cause snoring in children. Sleep apnea monitoring is currently the gold standard for the diagnosis of sleep apnea syndrome in children, and it is necessary to perform sleep apnea monitoring in snoring children before treatment. Sleep apnea monitoring has the following benefits: 1. To distinguish whether the snoring is caused by obstructive or neuromuscular diseases, so that different treatment measures can be taken for different reasons. 2. To clarify the severity of snoring in children, different treatment measures can be taken before and after surgery, so as to minimize postoperative respiratory asphyxia in children with severe disease and reduce unnecessary postoperative treatment in children with mild disease. For children who are not suitable for immediate surgery, positive pressure ventilation should be used to improve the breathing condition and quality of life of the children. 3. Sleep monitoring before and after surgery can clarify the degree of improvement of the child, and if the postoperative child still has hypoxia and other conditions, further treatment measures should be taken to better improve the sleep condition of the child.