Flatulence and abdominal pain may be caused by indigestion, gastritis, gastric ulcer, etc. You can take drugs to promote digestion, acid-suppressing drugs, mucous membrane protectants, etc. 1. Indigestion: mainly caused by food intake into the stomach can not be digested in time, you can take mosapride, domperidone and other drugs to promote digestion, promote gastrointestinal tract peristalsis. 2. Gastritis: including acute gastritis and chronic gastritis, mainly caused by excessive secretion of gastric acid, can take acid-suppressing drugs, such as omeprazole, rabeprazole, etc., and with the promotion of digestion drugs. 3. Gastric ulcer: the patient’s gastric mucosa has ulcers, need to take acid-suppressing drugs, promote digestion, and with mucosal protective agents, such as bismuth potassium citrate, aluminum thiosulphate, etc., to promote gastric mucosal repair. All of the above drugs need to be taken under the guidance of a doctor, patients should not take on their own.