Long-term what to eat what to pull, that is, long-term diarrhea after eating, indigestion symptoms, may be chronic gastritis, bacillary dysentery, irritable bowel syndrome, inflammatory bowel disease, etc., need to be given to inhibit the secretion of gastric acid, anti-infection, anti-inflammatory and other treatments. 1. Chronic gastritis: chronic gastritis is due to long-term gastric mucosa infection, gastric mucosa barrier, absorption function decline. Clinical manifestations are recurrent abdominal pain, diarrhea and indigestion. In severe cases, there may be mucus stool or watery stool. Gastric acid can be increased with PPI proton pump inhibitors such as omeprazole and pantoprazole. 2. Bacterial dysentery: when suffering from bacterial dysentery, there will be repeated watery stools, and even pseudomembranes will appear. Because dysentery bacillus is widely resistant to commonly used antimicrobials. Gentamicin, compound sulfamethoxazole, and butamidokanamycin can be used. At the same time, timely supplementation of electrolytes to avoid dehydration. 3. Irritable bowel syndrome: mostly related to the individual’s mood, with abdominal pain and diarrhea, but without pus and blood stools. You can use loperamide or compound phenethylpiperidine to stop diarrhea. However, it is important to make emotional and psychological adjustments. Probiotics can also be used in moderation to regulate intestinal microecology. 4. Inflammatory bowel disease: including Crohn’s disease and ulcerative colitis. Abdominal pain, diarrhea, abdominal masses, fistula formation can occur. It is usually treated with salazosulfapyridine and epinephrine. If diarrhea after eating occurs, you need to seek medical attention as soon as possible to avoid delays.