A bulging stomach like pregnancy can be caused by obesity, digestive disorders, abdominal tumors, and more. If pregnancy is ruled out, the most common cause of a bulging stomach is obesity, a buildup of fat in the abdomen that causes the stomach to bulge. The stomach will also bulge when the gastrointestinal tract is bloated, but the stomach can return to normal after exhaustion. If you want to digestive system organic disease, such as complete intestinal obstruction, due to the intestinal peristalsis function is significantly weakened, will cause a large amount of feces, intestinal fluid accumulation in the intestinal tract, causing intestinal tube significantly dilated, manifested as a bulging stomach, usually accompanied by acute and persistent abdominal pain, you can be through the abdominal X and other related examinations, to clarify the nature of the lesion, and to give the symptomatic treatment. Abdominal tumors such as ovarian tumors, uterine fibroids or other tumors in the abdomen may cause significant enlargement of the stomach, and most of these cases require surgical treatment. For the case of bulging stomach, you need to go to the hospital for relevant examination to identify the cause of the disease and standardized treatment by the doctor, so as to avoid delaying the condition.