Tummy pain after eating something is the result of improper diet, indigestion, chronic gastritis and other diseases. The stomach pain just after eating is mainly considered to be related to poor dietary habits and other factors. Eating hard, indigestible food in the diet can lead to gastrointestinal peristaltic dysfunction in patients, and when the plexus of the stomach wall is hyperfunctional, it can lead to abnormal secretion of gastric juice in the stomach, causing the performance of stomach pain. Frequent consumption of stimulating or cold food will lead to indigestion in the human body. After food intake, it cannot be digested normally, and a large amount of food will be hoarded in the stomach, causing the performance of stomach pain and flatulence. Pathological factors, such as gastritis or chronic ulcers and other diseases, food intake will lead to the expansion of the stomach, the ulcer site will appear neuropathic pain, so most patients with gastric ulcers tummy pain is easy to appear after meals.