Eating spicy diarrhea and anal pain, patients can take some treatment methods to relieve symptoms, including increasing fiber intake, avoiding spicy food, medication, etc., as follows: 1. Increase fiber intake: after eating spicy food causes diarrhea in patients, they need to improve their own diet, increase the intake of fiber-rich food to improve the symptoms of diarrhea. 2. Avoid eating spicy food: chili pepper itself will cause local tissue irritation to the anus. The painful symptoms will be relieved in some patients after avoiding spicy food. 3. Patients also need to pay attention to keep bowel movements smooth, to prevent constipation or diarrhea and other symptoms, and aggravate the local anal pain