Causes of gastric bloating and indigestion include dietary habits, and some digestive diseases, such as gastritis, peptic ulcer, chronic cholecystitis, chronic pancreatitis and so on. 1. Dietary factors: overeating, eating too much greasy food, eating beans and other gas-producing foods. 2. Digestive tract diseases (1) Gastritis, peptic ulcer: the peristaltic function of the gastrointestinal tract decreases, the food emptying time is prolonged, there will be symptoms of bloating and indigestion after eating, which can be accompanied by stomach pain, belching and other symptoms. (2) Chronic cholecystitis: eating a high protein, greasy diet may cause gastric distension and indigestion, which may be accompanied by pain in the right upper abdomen. (3) Chronic pancreatitis: patients may have no clinical symptoms in the early stage, but in the later stage, gastric distension and indigestion may occur due to secretory insufficiency, which may be accompanied by weight loss and steatorrhea. There may be other reasons for gastric distension and indigestion, so it is recommended to go to the hospital in time to improve the examination and give targeted treatment after clarifying the cause of the disease, so as to avoid delaying the condition.