Children’s stomach bulging bloating may be caused by physiological factors such as eating too much, may be indigestion, intestinal obstruction and other diseases. 1. Physiological factors: If the daily diet is rich, eating too much, it may trigger obesity or children’s stomach bulging and bloating. 2. Dyspepsia: dyspepsia is a kind of disease with symptoms of discomfort in the upper abdomen, and its causes are mostly related to gastrointestinal dyskinesia, visceral sensory hypersensitivity, as well as heredity, infection and other factors. Patients will have symptoms such as fullness and bloating after meals and abdominal pain. 3. Intestinal obstruction: it is a disease caused by various factors that obstructs the passage of intestinal contents. Intestinal obstruction mainly manifests itself as paroxysmal abdominal cramps, loss of appetite, constipation, cessation of flatulence, abdominal distension and so on. Its causes are mostly related to intestinal adhesions, colorectal tumors and hernia. There are many reasons for children’s stomach bulging and bloating, after excluding physiological factors, parents are advised to take their children to regular hospitals for relevant examinations to clarify the causes.