Drinking water flatulence with a large amount of water at once, water temperature is too low, pyloric obstruction and other factors, under normal circumstances, drinking water will not lead to gastric distension, but some people will drink a large amount of water at once, due to excessive water, thus leading to excessive expansion of the stomach body, and even affect the peristaltic function of the stomach, and induce gastric distension performance. Drink water as close to body temperature as possible, and avoid drinking chilled water, chilled water due to the low temperature, into the stomach will directly cause irritation to the gastric mucosa, resulting in stomach wall spasm, thus inducing gastric distension performance. Some people will have pyloric obstruction, the emptying of food in these people will be restricted because of the obstruction, after drinking a lot of water, because the water can not be discharged in time, stagnation in the stomach, then there will be gastric distension performance. Appearing to drink water gas, you can properly massage the abdomen to promote gastric peristalsis and help improve the symptoms.