Gastric distension and colic, want to diarrhea can not be pulled out, mainly considered with functional dyspepsia, acute gastroenteritis, constipation, intestinal obstruction and other diseases. 1. Functional dyspepsia: it can lead to abdominal distension, colic, belching and the inability to defecate. 2. Acute gastroenteritis: its main symptoms are abdominal distension, abdominal pain, nausea, vomiting and so on. Some patients may have diarrhea, and some may have the symptom of unable to defecate even though they have the intention to defecate. 3. Constipation: The accumulation of feces in the intestines is difficult to be discharged smoothly, which may cause abdominal distension, cramps and other symptoms, and accompanied by obvious defecation difficulties. 4. Intestinal obstruction: Intestinal obstruction can also cause gastric distension, colic and diarrhea symptoms. The above symptoms, it is recommended that patients seek medical attention as soon as possible to determine the cause of the disease, and follow the doctor’s instructions for treatment.