It is not that the stool is not absorbed after eating, but that it is easy to cause intestinal irritation after eating, which causes bowel movements. Most of the patients are considered to have irritable bowel syndrome, and need to improve the electronic colonoscopy to exclude intestinal ulcers, inflammation and tumors. If the duration of the disease is longer, more than 3 months, and the symptoms are more obvious, consider the performance of irritable bowel syndrome, some patients will also be accompanied by abdominal pain and other uncomfortable symptoms, mainly after eating spicy, stimulating or greasy food more bowel movements. After eating and pulling is absorbed, because the main location of absorption is in the small intestine rather than the large intestine, so it is not non-absorption.