Internal hemorrhoids are formed by pathological varices of the blood vessels under the rectal mucosa, which are located above the dentate line in the rectum, about 2-3 cm from the anus. Conservative treatment is recommended, that is, by improving diet, life, bowel habits, with the use of complementary medicine symptomatic treatment, control symptoms; 2, stage III and IV hemorrhoids are generally known as late internal hemorrhoids, the main symptom is bleeding in the stool, accompanied by the nucleus of hemorrhoids prolapse, but the nucleus of hemorrhoids prolapse can not be self-returned, need to use the hand to retract, or even more serious even with the use of the hand back to the anus, within a short period of time will be re-prolapse. If conservative treatment does not work well, surgery needs to be considered.