Stomach acidity and bloating after eating is mostly a symptom caused by indigestion, peptic ulcer, reflux esophagitis and other diseases. 1. indigestion: indigestion is usually accompanied by gastric insufficiency, patients can appear after meals, stomach bloating, stomach acid, nausea and vomiting, acid reflux, loss of appetite and other symptoms, the patient can be treated by taking drugs such as domperidone, this drug can promote gastrointestinal motility. 2. Peptic ulcer: these patients can have stomach pain, nausea and vomiting, bloating, loss of appetite and other symptoms, similar to the symptoms of dyspepsia, but the pain of the ulcer is more intense, can be treated by taking acid inhibitors such as omeprazole, bismuth potassium citrate and other gastric mucosal protectants. 3. Reflux esophagitis: the symptoms of acid reflux, heartburn, and burning sensation under the sternum can be treated by taking acid inhibitors such as omeprazole and pro-dynamic drugs such as mosapride. The symptoms of stomach acidity and bloating after meals are recommended to consult a doctor in time, improve the examination to clarify the cause of the disease, and then follow the doctor’s instructions for treatment. The above drugs need to be applied under the advice of a doctor, and during the treatment period the patient should maintain a light diet, eat small meals, avoid overeating.