Every time after breakfast stomach pain is usually caused by breakfast with unreasonable, overeating, suffering from gastritis, gastric ulcer or other diseases, as follows: 1, breakfast with unreasonable, if the breakfast eat too much with spicy, stimulating food, fried food and pickled food, it will lead to gastrointestinal dysfunction, causing symptoms of stomach pain; often drink cold drinks can also lead to pain. 2, Overeating, if overeating, eating too much food can easily cause irritation to the gastric mucosa, increasing the burden on the stomach and intestines, causing stomach discomfort. 3, suffering from gastritis and gastric ulcer, eating will stimulate the gastric mucosa to secrete a lot of gastric acid, suffering from gastritis and gastric ulcer will lead to stomach pain. 4, other diseases, such as cholecystitis, pancreatitis, pyloric obstruction and other diseases, will also cause stomach discomfort after meals.