A few days of bleeding in the stool may be caused by hemorrhoids, anal fissures and anal polyps, which are the manifestation of severe hemorrhoids. It may be due to the patient’s own hemorrhoids, plus the poor diet in the past few days, eating spicy, irritating or hard, indigestible food, dry stool, squeezing the internal hemorrhoids when forceful defecation and make the internal hemorrhoids bleed. Patients with anal fissures can tear the affected area when they have dry stools and forceful defecation, causing bleeding. The main symptom of anal polyps is blood in the stool, and unlike several other conditions, the amount of blood in the stool is relatively large. In addition to the above-mentioned diseases, other perianal diseases, such as ulcerative colitis, can also cause it. Once this happens, you need to go to the anorectal department of the hospital for further examination in a timely manner, to clarify the cause and then carry out targeted treatment, the effect will be more ideal.