There are many reasons for stomach bloating after eating, such as daily diet, gastrolithiasis, intestinal obstruction, gastritis, Helicobacter pylori infection and so on. 1. Daily diet: some foods you eat usually produce some gas, such as celery, bananas, beans, etc., excessive intake will produce too much gas, resulting in bloating after eating. 2. Gastrolithiasis: Because the food and medicine eaten are not digested in time in the stomach, they gather and condense into lumps in the stomach, which will cause abdominal pain, bloating and nausea, etc. It is recommended that you eat some easy-to-digest food and drink more water to relieve the symptoms. 3. Intestinal obstruction: due to the contents of the intestines are not discharged or can not be discharged and the formation of the disease, abdominal distension, abdominal pain, vomiting and other phenomena, it is recommended to drink more porridge, nutritional powder, etc., eat slowly, etc., which can effectively alleviate the symptoms. 4. Gastritis: acute and chronic gastritis due to stress, medication, immunity and other factors, often manifested clinically as pain in the upper and middle abdomen, abdominal distension, nausea, vomiting and other symptoms, there may be symptoms of gastric distension after eating. 5. Helicobacter pylori infection: patients are infected by Helicobacter pylori, many people have long been infected but may not have symptoms, the onset of abdominal pain, nausea, vomiting, abdominal distension symptoms, easy to appear after eating stomach bloating. If the symptoms are not relieved in time, it is recommended to go to the hospital for examination and treatment.