Pus and blood stool is feces with pus and blood or pus and blood-like mucus, often the stool is not shaped, and may also be accompanied by abdominal pain, urgency and heaviness. There is pus and blood in the stool, red blood and yellowish-white pus, so the stool is usually thin and unshaped, and the frequency of stool increases, even more than ten times a day. The most common type of pus and blood stool is dysentery, other bacterial infections or parasites can sometimes cause pus and blood stool; the most common non-infectious factor is ulcerative colitis, in addition to colon polyps, rectal polyps and malignant tumors after the occurrence of necrosis and secondary infections will also appear pus and blood stool. Different medications can be chosen according to the specific cause of the disease, and surgery can be performed if necessary. The appearance of pus and blood stools should promptly seek medical attention, under the guidance of the doctor to correct treatment, do not blindly take drugs, so as not to delay the condition.