Children sleeping on their stomachs may be due to personal habits, insecurity and other physiological factors, or considered to be due to indigestion, allergic rhinitis and other diseases. 1. Physiological factors: Due to the child’s different personal habits, or lack of security, may appear to sleep on their stomachs. If there is no other discomfort, it is a normal phenomenon and there is no need to worry. 2. Dyspepsia: Dyspepsia may be caused by gastrointestinal dysfunction, Helicobacter pylori infection and other factors. Children with dyspepsia may experience pain in the upper and middle abdomen and a burning sensation in the upper and middle abdomen. When the child’s gastrointestinal discomfort, he or she will involuntarily appear to sleep on his or her stomach, thus relieving the discomfort. 3. Allergic rhinitis: Allergic rhinitis can be caused by heredity and inhalant allergens. Children with allergic rhinitis may experience symptoms such as nasal itching and congestion, and paroxysmal sneezing. Postnasal drip may occur during sleep, and some children may sleep on their stomachs. Children sleeping on their stomachs, there may be other 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.