If your child snores lying down but not on his/her side, consider that the snoring is caused by improper posture or hypertrophy of adenoids, etc. It is necessary to find out the cause of the disease and treat the disease according to the symptoms. When sleeping in improper posture, when lying on the back, the root of the tongue falls back to the back wall of the pharyngeal cavity, and the pharyngeal cavity becomes narrow and snoring occurs. When lying on the side, the root of the tongue and the pharyngeal cavity droop to the side under the effect of gravity, and the pharyngeal cavity becomes wider without snoring. The child can be relieved by adjusting the sleeping position. Pathological factors such as adenoid hypertrophy. When the adenoid inflammation repeated episodes or neighboring parts such as nasal cavity, sinus, tonsil inflammation spread to the nasopharynx, stimulate the adenoid pathological hyperplasia, will lead to snoring, nasal congestion, dyspnea and other symptoms, at this time need to be actively treated. It is recommended that the child should go to the hospital in time when any discomfort occurs. After clarifying the cause of the disease, active treatment.