There are several reasons why it is easy to bleed when you hold your stool: first, it may be due to holding your stool for too long so that the stool stays in the anal canal for too long, resulting in dry, hard stool and then tearing of the skin around the anus when passing through the anus, also known as anal fissure, which can cause strong pain, a small amount of bleeding and itching. Secondly, constipation may occur due to holding stool for a long time, and if not treated in time, it may induce hemorrhoids, which can cause local hemorrhoid nuclei to increase in size, redness, pain, itching, and in serious cases, bleeding. Third, due to hold stool for too long appears rectal, colon, such as rectal polyps, colon cancer, the best can go to the hospital for further examination and treatment.