Stool paste mucus with much blood in the clinic is often called mucous pus and blood stool, usually considered inflammatory bowel disease, bacillary dysentery, intestinal tumors and other diseases. 1. Inflammatory bowel disease: including ulcerative colitis and Crohn’s disease, is due to genetic, immune and other factors caused by non-specific inflammation of the intestinal mucosa, intestinal mucosa will be congestion, edema, etc., the patient’s main manifestations of abdominal pain and diarrhea, acute and post-traumatic stress, loss of appetite, nausea, and other symptoms, accompanied by mucus pus and blood stool. 2. Bacterial dysentery: it is due to the inflammation of intestinal mucosa caused by Shigella infection, mainly involving the sigmoid colon, rectum and other parts of the intestinal mucosa in the stimulation of bacterial infection, inflammation, congestion, edema, etc., the patient may show fever, nausea and vomiting, abdominal pain, diarrhea and other uncomfortable symptoms, and the stool may be manifested as mucus, pus and blood stools. 3. Intestinal tumor: such as colon cancer, rectal cancer, etc., which mainly manifests as change of defecation habit and abnormal stool character, mucus, pus and blood stools, and may be accompanied by abdominal pain and distension, abdominal mass, anemia, weight loss, etc. When the patient appears stool paste mucus with much blood, it is recommended to consult a doctor in time to find out the cause of the disease and carry out targeted treatment, so as not to delay the condition.