There are many reasons for bloating: first, there are gastritis, gastric ulcers and other digestive tract diseases, resulting in inadequate digestion and absorption of food, food can cause belly bloating. Second, eating foods that easily produce gas can also cause belly bloating, like onions and soy milk are easily flatulent foods that are difficult to digest causing belly bloating. Third, eating food containing a lot of starch, like potatoes, groundnuts, vermicelli, etc., because starchy food is easy to digest, so it will also cause belly bloating. We must find out the cause of bloating, if it is caused by diet, we should pay attention to it from the diet, if it is caused by digestive tract diseases, we should do a detailed examination. The treatment of digestive tract diseases is now also very simple, the application of antibiotics, antacid drugs, drugs to protect the gastric mucosa, as long as the gastrointestinal tract diseases are well treated, generally will not cause stomach distension.