The common reason for a particularly distended stomach is intestinal obstruction, such as: a. scarring pyloric obstruction caused by gastric ulcer; pyloric obstruction causes difficulty in emptying gastric contents, and food cannot be discharged through the pylorus into the duodenum and jejunum, causing a large amount of food to be retained in the stomach causing rapid expansion of the stomach, resulting in nausea, vomiting, abdominal distension and other symptoms, and patients need to perform gastrointestinal anastomosis surgery to solve the abdominal distension caused by pyloric obstruction Second, colon tumor obstruction, colon tumor blocking the intestinal tract causes gas and liquid in the intestinal tube can not be excreted through the anus, resulting in significant dilatation of the whole small intestine and colon, and patients also show abdominal distension, vomiting, anal stopping defecation and exhaust, and need to perform colon tumor radical treatment to relieve the symptoms of intestinal obstruction.