Pediatric snoring causes incorrect sleeping position, obesity, adenoids and tonsils enlargement, narrow nasal passages and so on. 1. Children sleeping on their backs for a long time, the root of the tongue because of gravity leads to partial obstruction of the respiratory tract, airflow in and out of the respiratory tract, the nearby mucous membrane muscles vibrate to produce snoring. 2. The pharynx of obese children is relatively hypertrophied, and the airway is easy to be blocked and snoring occurs. 3. Adenoids and tonsils are two important immune organs in children, which play an important role in preventing and controlling respiratory infections. Repeated infections will lead to hyperplasia and enlargement of adenoids and tonsils, which will cause narrowing of the pharynx and lead to snoring. 4. Inflammation of the respiratory tract makes the nasal mucosa congested and edematous, coupled with the narrowing of the nasal passages of the pediatric patients, the airways are blocked, which leads to snoring. Pediatric snoring may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.