Jelly-like mucus with blood in the stool is usually called mucous pus and blood in the clinic, mostly caused by bacillary dysentery, ulcerative colitis, intestinal tumors and other diseases. 1. Bacterial dysentery: mostly caused by Shigella infection, stimulation of the intestinal mucosa, resulting in intestinal mucosa congestion, edema, so that mucus secretion increases, and even bleeding, mucus pus and blood stools appear during defecation, which is also accompanied by fever, abdominal pain, diarrhea and other symptoms. It can be treated with antibiotics such as ceftazidime under doctor’s supervision. 2. Ulcerative colitis: mostly caused by intestinal immune abnormalities, is a chronic non-specific intestinal inflammatory disease, the patient mainly manifests as recurrent diarrhea, stools can be manifested as mucous pus and blood, accompanied by abdominal pain, loss of appetite, anemia, peripheral arthritis and other symptoms. Amino salicylic acid preparations such as mesalazine should be used for treatment as prescribed by the doctor. 3. Intestinal tumors: such as rectal cancer, colon cancer, etc., the tumor will produce persistent stimulation to the intestine, destroying the normal function of intestines, which may lead to the change of bowel habit, mucus, pus and blood in the stools, and at the same time, the patient may suffer from malnutrition, weight loss, abdominal pain and bloating, anemia and other symptoms. Comprehensive assessment of the patient’s condition is needed, and surgical treatment is actively performed when conditions permit. If the patient has jelly-like mucus with blood in the stool, it is recommended to consult a doctor in time to identify the cause of the disease and carry out targeted treatment to avoid delaying the condition.