Stomach distension with pain is mainly seen in the following cases: 1, gastrointestinal dysfunction, mainly due to indigestion, such as eating cold, greasy food, eating more, drinking a lot of alcohol and irregular diet, etc., due to the relatively slow peristalsis of the gastrointestinal tract, as well as the food eaten increases the burden on the gastrointestinal tract, will lead to the food eaten can not be smoothly through the peristalsis of the gastrointestinal tract, absorption, discharged out of the body, food residues In the gastrointestinal tract stay too long, there will be too much gas production, stomach distension, when the intestinal food residues accumulated too much will be stomach pain. 2, intestinal obstruction, intestinal obstruction is a more common disease, mainly due to intestinal dysmotility, ischemia and surgery, resulting in slower intestinal peristalsis or stop peristalsis and other conditions, intestinal obstruction, food residues can not be eliminated, intestinal spasm resulting in The stomach is distended and painful, and in severe cases, vomiting may occur.