The causes of snoring in children include mandibular retraction, enlarged tonsils and nasal polyps, etc. The treatments are penicillin and other medications, oral appliances and surgery. 1. Mandibular retraction: when children have mandibular retraction, it can cause abnormal oral closure and lead to snoring symptoms. Patients can wear oral appliances under doctor’s instruction, which can effectively move the lower jaw forward to enlarge the upper airway. 2. Tonsillar hypertrophy: children snoring may also be caused by tonsillar hypertrophy on the airway caused by compression, acute stage can choose penicillin and other medications, and then choose tonsil surgery, which can help to relieve the compression and improve the symptoms of snoring. 3. Nasal polyps: Nasal polyps can be caused when the nasal cavity of children’s parts is repeatedly stimulated by inflammation. The disease will also cause pressure on the nasal cavity, making children snoring symptoms. Patients can take the method of nasal polyp removal surgery. The causes of snoring in children are relatively many, and they should go to the hospital in time and choose the appropriate method of treatment.