There are many reasons for stomach pain and bleeding stools: 1. The rectum itself is considered to be bleeding, caused by anal fissures, rectal adenomas, rectal cancer, etc. Various types of enteritis can also cause stomach pain and bleeding stools. 2. Various types of enteritis can also cause stomach pain and bleeding in the stool. 2. Hemorrhoids cause anal enlargement and thinning of the vein wall, which can cause rupture, stomach pain and blood in the stool when defecating. 3. Old diseases in other areas can also cause blood to be discharged through the anus. 4. Consider blood disorders causing stomach pain and bleeding in the stool, but the chances are smaller compared to other diseases. If there are no other symptoms, further observation can be made. Pay attention to the diet with more high-fiber foods and ensure that the affected area is clean while you can also use topical hemorrhoid cream. Avoid spicy foods and eat less starch-rich foods such as potatoes and vermicelli during the course of the disease. If the condition is severe, surgical treatment is recommended.