Belly bloating and gas are common gastroenterological conditions that may have the following causes: 1. They may be caused by indigestion due to inflammation of the stomach or by conditions such as Helicobacter pylori infection. 2. Some patients are caused by flatulence in the gastrointestinal tract. 3. They are caused by gastrointestinal diseases, such as acute gastritis, chronic gastritis, gastric ulcer, gastric cancer, etc. 4. Some patients are caused by incomplete intestinal obstruction, hepatobiliary and pancreatic diseases, indigestion or gastrointestinal dysfunction and other reasons. All of the above causes can cause gas and bloating, belly distension, fart phenomenon. It is recommended to go to the hospital to identify the specific causes and use drugs to help digestion while treating the symptoms.