Stomach bloating and acidity is caused by gastroduodenal ulcer, reflux esophagitis, indigestion and so on, which can be relieved by medication. 1. Gastroduodenal ulcer: stomach acidity and bloating are caused by gastroduodenal ulcer, which usually results in symptoms such as bloating, acidity, vomiting, etc. It is recommended that the patient can be examined by gastroscopy to see a clear diagnosis, and after the diagnosis is confirmed, the patient can be treated with medications under the guidance of a doctor, such as omeprazole and ranitidine. 2. Reflux esophagitis: acid reflux, burping, stomach distension and other symptoms will occur at the onset of reflux esophagitis, it is recommended that the patient can go to the hospital for examination, and can be treated with medication under the guidance of the doctor, such as omeprazole, domperidone and so on. 3. Indigestion: If the patient has indigestion caused by less activity or consuming food that is not easy to digest, the symptoms of bloating or acidity may occur. It is recommended that the patient can use tablets under the guidance of the doctor to promote digestion, and pay attention to eating less and more meals. Stomach bloating and acidity may also be caused by other reasons, it is recommended to go to the hospital for relevant examinations to avoid further aggravation of the condition.