Stomach discomfort and dry vomiting are related to factors such as spleen and stomach coldness, stomach dysfunction, and indigestion. The appearance of spleen and stomach cold is directly related to excessive consumption of cold food, this diet will lead to excessive cold cohesion in the stomach, which will not only cause symptoms of stomach discomfort due to gas stagnation in the stomach, but also accompanied by the performance of stomach gas rebellion, so dry vomiting will occur. The digestion of food is mainly through the peristaltic function of the stomach, once in a long-term bad mood, it will lead to gastric dysfunction, which will cause liver qi stagnation, cross-reverse offense stomach, and thus accompanied by the performance of gastric rebellion, causing dry vomiting. Most people with indigestion will have a lack of gastric acid secretion, slow peristalsis and other symptoms, these factors will lead to food stagnation in the stomach and epigastric for a long time, food in the stagnation will produce more gastric gas, so it will also cause dry vomiting.