After eating the stomach and small stomach bloating is considered because of indigestion, chronic gastroenteritis, peptic ulcer, etc., according to the cause can be given domperidone, omeprazole, colloidal bismuth pectin and other drugs treatment. 1. Indigestion: After eating a meal due to indigestion, resulting in a large amount of food accumulation in the gastrointestinal tract, causing the stomach and small stomach is very bloated symptoms, generally can be taken orally to promote gastrointestinal peristalsis of drugs such as Domperidone, Mosapride and so on. After oral intake may appear abdominal pain, diarrhea, nausea, dry heaving and other adverse reactions. 2. Chronic gastroenteritis: after eating food to stimulate the inflammation part, resulting in excessive secretion of gastric acid and digestive fluid secretion is not smooth, there will be the phenomenon of stomach and small stomach bloating, generally can be taken orally to inhibit acid stomach drugs such as omeprazole, pantoprazole, and so on. After oral intake may appear headache, dry mouth, nausea, skin rash and other adverse reactions. 3. Peptic ulcer: When there is an ulcer surface in the gastrointestinal department, the gastrointestinal mucosa is stimulated after eating, resulting in frequent contractions of the gastrointestinal mucosa, which will result in a bloated feeling of the stomach and small stomach. Generally, you can take acid-suppressing and gastric mucosa-protecting drugs such as omeprazole and colloidal bismuth pectin. If the bloating of the stomach and tummy after eating persists and cannot be relieved, it is recommended to go to the hospital for examination and treatment as soon as possible.