The round and bulging stomach of a ten-year-old child may be due to gastrointestinal gas, overfeeding, intestinal obstruction and other reasons. 1. Gastrointestinal gas: gastrointestinal diseases such as indigestion, gastrointestinal dysfunction, etc., may lead to gastrointestinal gas more, causing abdominal distension, from the appearance of the stomach will be found round. 2. Eating too much: eating too much at one time may cause a bulging stomach, which will be relieved on its own without special treatment. 3. Intestinal obstruction: the disease caused by the intestinal contents can not pass normally, the patient will have abdominal pain, constipation, loss of appetite and other abnormal symptoms. Ten-year-old children with a bulging stomach for a long time, and abnormal symptoms, it is recommended to take the child to the regular hospital to confirm the specific cause of the disease, targeted treatment.