There are three possibilities that exist when there is still blood in the stool a month after hemorrhoid surgery. First, because the surgical incisions of hemorrhoids are open, and the healing cycle of the incisions is about four weeks, some will be a little later, the incisions may not have healed, when defecating, the friction of the stool, it may lead to bleeding from the unhealed incisions. Second, anal fissure, some patients after hemorrhoid surgery if the excision range is too wide, may lead to anal stenosis, stool through the anal stenosis of the anus, it will be localized anal fissure off, resulting in secondary anal fissure produced, causing bleeding. Third, the surgery is usually dealing with the symptoms of the more serious hemorrhoids, some of the symptoms of light hemorrhoids surgery is not dealt with, so there may be untreated small hemorrhoids bleeding, this situation can be used conservative treatment, you can use tainted plugs anal, external use of hemorrhoid cream, generally a few days bleeding can be stopped.