Old flatulence and hiccups may be caused by gastritis, gastric ulcer, enteritis and other diseases. 1. Gastritis: patients with gastritis usually have excessive secretion of gastric acid, which will stimulate the gastric mucosa, the diaphragm may contract, and the symptoms of flatulence and hiccups will occur. 2. Gastric ulcer: If you have a gastric ulcer, it may lead to the slowing down of gastrointestinal peristalsis, and the gas can’t be discharged, which will lead to flatulence, and then lead to hiccups. 3. enteritis: enteritis patients can also lead to slow down the peristalsis of the intestines, the gas has no way to be absorbed by the stomach and intestines, which will lead to the gas to be discharged from the mouth or anus, and then there will be hiccups. Stomach old flatulence hiccups may also be seen in gastroesophageal reflux disease, gastrointestinal dyskinesia, colon cancer, rectal cancer and other diseases, you should go to the hospital for targeted examination of the cause of the disease and then do the treatment.