Stomach pain on vomiting to consider three reasons: 1, because the patient’s physical condition is relatively poor, so there is a lack of gastric power, resulting in indigestion, if the regular intake of irritating food, or not easy to digest food, will lead to an imbalance of intestinal flora, but also more waste gas all accumulate in the intestinal tract, it is easy to appear stomach pain, may also cause vomiting. 2, the main Because of organic diseases, such as gastroptosis, gastric ulcer, chronic gastritis, intestinal tumors, gastric dilatation, and pyloric obstruction, etc., this kind of disease will also lead to the gastrointestinal tract to appear obvious accumulation of gas phenomenon, will also lead to a large number of gases stay in the abdomen, at this time will also feel the abdomen has obvious discomfort, nausea, vomiting and other symptoms. 3, of course, there is also a part of the people is because of the gastrointestinal function disorder The result of this.