Often eat spicy after diarrhea may be a normal physiological phenomenon, may also be gastroenteritis, peptic ulcer, irritable bowel syndrome, intestinal flora imbalance and other pathological factors. 1. Physiological factors: chili peppers contain capsaicin, which can produce stimulation of the mucosa of the gastrointestinal tract, leading to accelerated gastrointestinal peristalsis, so that the water in the stools can not be fully absorbed in time to be discharged, diarrhea. This is usually a physiological reaction, usually not accompanied by other obvious discomfort. 2. Pathological factors: If the patient himself suffers from certain intestinal diseases, such as gastroenteritis, peptic ulcer, irritable bowel syndrome, intestinal flora imbalance, dyspepsia, gastrointestinal tract tumors, etc., the patient’s gastrointestinal mucosa itself has a certain degree of damage, after consuming spicy food, it is easier to produce stimulation of the gastrointestinal tract, resulting in gastrointestinal tract dysfunction, the emergence of diarrhea symptoms. At this time, the patient may also be accompanied by abdominal pain and bloating, nausea and vomiting, acid reflux, belching (hiccups) and other uncomfortable symptoms. If the patient long-term or repeated existence of eating spicy diarrhea, it is recommended to consult a doctor in time to identify the cause of the disease, to carry out targeted treatment, so as not to delay the condition.