A little pain in the stomach with diarrhea after a meal is usually caused by some intestinal diseases, chronic enteritis, indigestion and irritable bowel syndrome. Generally adjust the dietary structure or drug treatment. 1. Chronic enteritis: manifested by recurrent stomach pain and diarrhea symptoms, there may also be constipation. It is recommended to use cephalosporin and norfloxacin for antibacterial treatment. 2. Indigestion: If patients eat too much spicy, cold and other stimulating food, these foods will increase the burden on the stomach, resulting in different degrees of damage to the gastric mucosa triggered by eating the stomach pain symptoms. During the period may be accompanied by loss of appetite, gastric distension, diarrhea, nausea and vomiting and other clinical manifestations. 3. Irritable Bowel Syndrome (IBS): diarrhea occurs before or after meals, and the stools become more frequent, but the amount is small. Change the usual habits and diet structure, light diet, eat easily digestible food. A little hidden pain in the stomach after meals with diarrhea can also be seen in other diseases, it is recommended to actively consult the doctor, improve the examination, clarify the cause of the disease, and symptomatic treatment. All of the above medications should be used under the guidance of a doctor, avoid self-medication.