A large bulging stomach in infants may be physiological, or it may be caused by malnutrition, intestinal obstruction and other diseases, it is recommended to consult a specialist for diagnosis and clarification. The baby’s tummy may be physiological reasons, the baby subcutaneous fat thick, abdominal wall muscles are not well developed, coupled with the abdominal cavity needs to accommodate a larger number of organs, thus appearing tummy big bulging performance. In addition to physiological reasons, a large bulging stomach in infants may also be due to malnutrition, nephrotic syndrome, cirrhosis, abdominal tumors and other diseases, and may also be due to intestinal obstruction, intussusception and other causes. When the child’s stomach is bulging, and there are other discomforts or poor mental state, you should go to the regular hospital in a timely manner, to clarify the cause of the disease, and follow the doctor’s instructions for treatment.