The reason why you always want to poop with stomach pain is: 1. If you just have stomach pain without defecation, consider that it may be caused by gastrointestinal dysfunction. 2. It may be chronic ulcerative proctitis, which is an inflammatory disease occurring in the rectum, and generally enteritis has three symptoms: congestive edema, erosive ulcerative and ulcerative bleeding, so it can cause stomach pain anal always have poop. 3. You should go to the hospital to improve the examination to exclude The possibility of rectal cancer. If the symptoms are not serious, you can take some probiotics orally to regulate the intestinal problems, or take oral Chinese medicine, Chinese medicine to regulate the body, and to eat a light diet, pay attention to rest, do not catch cold, do not eat spicy and stimulating food.