In your side must have encountered such a group of people, every time you want to go out or a little something nervous, must go to the toilet, or immediately after dinner to the toilet, we often compare these people to “rectum”, but this kind of people are really rectum? People with such symptoms are sick? In fact, the human intestine is winding, basically can be described as “mountain road eighteen curves”, so usually we eat into the stomach generally need to go through the gastrointestinal peristalsis, digestion, and then step by step to reach the intestines, this process usually takes 1 to 3 days, so, even if you are a ” rectum”, it is not possible to immediately expel what you just ate. What can cause “want to shit when eating”? 1, irritable bowel syndrome: the so-called irritable bowel syndrome, that is, your intestines compared to normal people are more easily provoked by some stimulus factors, such as emotional changes, temperature changes, some people are susceptible to cold, a wind will want to go to the toilet, there are people who are nervous to go to the toilet, that is the reason; in these stimulus factors, about 1/4 of the irritable bowel syndrome patients are caused by food stimulation. 2, premature secretion of stomach acid: abnormal rhythm of gastric acid secretion, gastric acid secretion in advance, without mixing with food directly into the intestine, stimulating abnormal secretion of intestinal mucosa, intestinal peristalsis accelerated, causing the phenomenon of “pulling when eating”, such patients, taking acid suppressing drugs can be alleviated. 3, spleen deficiency and stomach weakness caused by spleen deficiency, spleen deficiency and stomach weakness, digestive system function decline, intestinal disorders, will cause indigestion, the number of stools increased performance. You can take the appropriate regulation of intestinal flora and regulate intestinal movement drugs, during the treatment of diet should pay attention to light, eat more fresh vegetables and fruits, eat more easily digestible food, avoid eating fried and spicy stimulating food, usually pay attention to abdominal warmth. 4, chronic colitis If the bowel movement is very urgent after meals, and also accompanied by abdominal pain, abdominal cramps and other symptoms, stool is mostly paste, can have mucus, then it may be the performance of colon dysfunction and chronic colitis. The disease is a functional disease, characterized by a chronic course of the disease, but has no significant effect on the body mass. Although there is diarrhea, but stool examination is often no obvious inflammation or other abnormal changes. 5, abnormal bile secretion: Similarly, bile enters the intestine directly without being adequately mixed with food, which can also stimulate abnormal intestinal peristalsis. 6, food allergies: food allergies, may also cause the situation of “a meal on the poop”.