Causes of bloating include bad eating habits, chronic gastritis, pancreatitis, etc. 1. Bad eating habits: irregular diet, gobbling, eating more sweet potatoes, white radish, eating greasy larger, spicy and stimulating food will appear abdominal discomfort, bloating and other symptoms. 2. Chronic gastritis: due to inflammation of the gastric mucosa, resulting in reduced gastric function, poor gastrointestinal motility, food is not easy to digest and absorb, followed by bloating, nausea and other symptoms. 3. Pancreatitis: Inflammation of the pancreas inhibits gastrointestinal function, leading to bloating, severe abdominal pain and other symptoms. If the symptoms of abdominal distension are not relieved, or accompanied by other symptoms, you should go to the hospital in a timely manner to clarify the cause and give targeted treatment.