Bleeding hemorrhoids are not necessarily painful. Hemorrhoids are the masses of varicose veins and are divided into internal and external hemorrhoids; above the dentate line they are called internal hemorrhoids; below the dentate line they are called external hemorrhoids. Internal hemorrhoids are innervated by visceral nerves and are generally painless, with the main symptom being bleeding. However, if the internal hemorrhoids are infected, such as heavy venous stasis and thrombosis, they will cause pain in addition to bleeding. External hemorrhoids are divided into connective tissue external hemorrhoids, inflammatory external hemorrhoids, and thrombotic external hemorrhoids. Connective tissue external hemorrhoids and inflammatory external hemorrhoids usually do not cause pain. Thrombosed external hemorrhoids, on the other hand, have a stronger reaction to pain when a blood clot forms because it forms and the anal canal area is innervated by the pubic nerves. Therefore, bleeding hemorrhoids are not necessarily painful.