Stomach pain eases after eating because the stomach acid that stimulates the digestive tract is diluted by the food, and the possible causes are excessive hunger, duodenal ulcer, chronic gastritis and so on. 1. Excessive hunger: excessive hunger will cause excessive secretion of gastric acid, causing strong stimulation of the gastric mucosa, which will be relieved after food intake. 2. duodenal ulcer: duodenal mucosa in the long-term gastric acid stimulation of ulcers, manifested as abdominal pain, mostly caused by Helicobacter pylori infection and non-steroidal anti-inflammatory drugs and other factors, mucosal damage and gastric acid stimulation may trigger pain in the gastric region, after eating gastric acid is diluted and neutralized, the stimulation is reduced, gastric pain relief. 3. Chronic gastritis: chronic inflammatory lesions of the gastric mucosa, mostly caused by Helicobacter pylori infection, bile reflux and other factors that stimulate damage to the gastric mucosa, so that in the state of injury for a long time in a state of excitement and exuberant secretion of acid, resulting in gastric pain, eating can be diluted in part of the gastric acid, relief of gastric pain. It is recommended that patients with symptoms of stomach pain relief after eating go to the hospital in a timely manner, complete the relevant examinations, under the guidance of the doctor to identify the cause of the disease and give targeted treatment to avoid further development of the condition.