Men exhibit stomach pain, which can be caused by the following diseases: first, gastric ulcer, duodenal ulcer, and there is a correlation between pain and eating, especially in patients with gastric ulcer, which manifests as significant postprandial pain. Patients with duodenal ulcers have abdominal pain, accompanied by acid reflux, burning sensation in the upper abdomen and belching, which occurs for reasons related to Helicobacter pylori. In addition, unreasonable dietary structure leads to the need to give drugs to protect the mucosa of the gastrointestinal tract if necessary, and should also pay attention to regular review. Second, some patients are due to gastrointestinal tract dysfunction, indigestion, especially after overeating, drinking alcohol or eating cold and hard food, easily induced abdominal pain, and even serious cramps or diarrhea, if necessary, also need to be treated symptomatically through intravenous anti-infection, rehydration, etc., should pay attention to ensure a reasonable diet.