Always want to go to the bowel is also known as anxious after heavy, that is, just after the toilet immediately want to go again, the common causes of hemorrhoids, bacillary dysentery, ulcerative colitis and so on. 1. Hemorrhoids, especially internal hemorrhoids can stimulate the rectum, leading to always have the urge to go to the toilet, usually anal examination can be found lesions, treatment of symptoms can generally be significantly relieved. 2. Bacterial dysentery is an intestinal infectious disease caused by Shigella infection, pre-school children and young adults, accompanied by abdominal pain, diarrhea and other symptoms, the stool is mucus, pus and blood, stool bacterial culture can confirm the diagnosis. 3. Ulcerative colitis is a common chronic inflammatory disease of the intestinal tract, requiring lifelong treatment, easy to recur, the pathogenesis is still unclear, often manifested as acute post-acute, recurrent mucus, pus and blood stools, and the diagnosis can be confirmed by performing electronic colonoscopy. The diagnosis can be confirmed by an electronic colonoscopy. If the symptoms of acute post-acute severe with or without abdominal pain and diarrhea are present, the patient should consult a doctor in time for examination, to further define the specific cause of the disease and to carry out standardized treatment under the guidance of the doctor.