Fecal pus and blood means that there is a pus-like substance or a bright purplish-red blood covering in the stool, firstly, there is an infection or inflammation in the intestines, and secondly, it means that the lesion is in the colon or rectum, not the small intestine. Inflammation or external stimulation of the intestinal tract, such as bacterial enteritis, inflammatory enteritis can cause damage to the mucous membrane of the intestinal tract before fecal pus and blood appear. Patients should be prevented from the following aspects: 1, keep the bowel clear; develop the habit of defecating every day, and the bowel should be in the form of thin paste. 2, reduce the posture of increasing abdominal pressure, avoid sitting, standing, walking and overwork. 3, avoid eating hot, greasy, rough, slaggy food, avoid tobacco, alcohol, coffee. 4, more food with clear intestinal heat, nourishing nutrients, such as raw pear juice, lotus root juice, water chestnut juice, rutabaga juice, celery juice, carrots, carrots (cooked), bitter melon, eggplant, cucumber, spinach, cabbage, cabbage, egg yolks, apples, figs, bananas, black sesame seeds, pecan meat, white fungus and so on. 5, to be cheerful, do not be depressed and angry. 6, reduce intercourse, too frequent intercourse will make the intestinal mucosa congestion, aggravate the blood. 7, prevent anal infection; strengthen exercise.