Flatulence and vomiting are associated with chronic enteritis, intestinal obstruction, acute appendicitis and other causes. First of all, some people will have chronic enteritis in the intestinal system, this disease is especially easy to attack in the state of poor diet, overeating, chronic enteritis attacks due to the presence of inflammation in the intestinal tract, so the intestinal lumen of the absorption of gas is affected, resulting in a feeling of bloating in the stomach. Chronic enteritis will also affect the emptying of food in the stomach, and many people will have nausea and vomiting at the same time. Secondly, when intestinal obstruction occurs, the food cannot be emptied, so it will lead to excessive dilatation of the intestinal lumen and cause a feeling of flatulence, and in the state of increased intestinal pressure will also affect the emptying of the stomach, resulting in nausea, vomiting, and even vomiting out the digested food in the intestinal tract. Finally, acute appendicitis in the attack due to the appendix area by the inflammation of the stimulus, so will affect the entire intestinal system, appendicitis during the onset of not only will appear intense lower abdominal pain, at the same time, intestinal peristalsis will also be affected, resulting in flatulence, nausea, vomiting and other manifestations.