Hemorrhoids are painless and are divided into internal and external hemorrhoids, which are generally varicose vein clusters that tend to develop under increased abdominal pressure or constipation. Internal hemorrhoids are generally located above the dentate line, the main symptom is painless bleeding, bleeding is usually drop or jet, usually does not cause pain around the anus. If the internal hemorrhoids combined with inflammation and infection or combined with blood clots may be due to pain. External hemorrhoids are divided into connective tissue external hemorrhoids, inflammatory external hemorrhoids, thrombosed external hemorrhoids, thrombosed external hemorrhoids are generally more painful, while connective tissue external hemorrhoids and inflammatory external hemorrhoids generally do not cause pain, so different hemorrhoids, different types, the symptom is not the same. Internal hemorrhoids, connective tissue external hemorrhoids and inflammatory external hemorrhoids, these three types of hemorrhoids generally do not cause pain.