Why do you want to go to the toilet after eating

A meal on the toilet defecation may be because the patient has chronic gastritis, gastric ulcer and other diseases, resulting in abnormal digestive function of the body, stomach acid secretion time too early, food into the stomach nutrition is not absorbed that is excreted, and a meal on the defecation of the situation; It may also be due to increased visceral sensitivity, abnormal regulation of intestinal nervous system and central nervous system, abnormal gastrointestinal dynamics, resulting in irritable bowel syndrome, resulting in food stimulation of gastrointestinal tract after eating and want to defecate after eating.