The main cause of snoring in children is obstruction of the upper respiratory tract due to various etiologies, mostly enlarged tonsils or adenoids. In addition, infections of the respiratory system can also cause the symptoms. Children snore in their sleep because of the effect of enlarged tonsils or adenoids, blocking the upper respiratory tract, which leads to apnea and lack of oxygen during sleep. Due to the inability to enter a deep sleep period during sleep, resulting in insufficient secretion of growth hormone, which can lead to growth and mental retardation. In addition, a variety of rhinitis, sinusitis, nasal septum deviation, nasal polyps, etc. can cause obstruction of the upper respiratory tract, causing sleep snoring, in addition to excessive obesity can also lead to this symptom. Children snoring may also have other reasons, such as abnormal sleeping posture and other physiological reasons. It is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.