The symptoms of nodules in the anus are mainly due to two causes: first, hemorrhoids, mainly due to poor venous blood return in the anal tissue, poor venous blood return causes stasis, thus forming a venous mass, over time in the anus to form nodules, treatment can choose hemorrhoid plugs for medicine plug, to achieve the purpose of anti-inflammatory, pain relief, hemorrhoids larger nuclei can be surgically removed. Second, anal polyps, will exist in the anal canal in the form of nodules, thus causing difficulties in defecation, the treatment of anal polyps, the diameter of less than 2cm can be treated by endoscopic resection. If the polyp is larger than 2cm in diameter and located in the mucosa, it needs to be treated by mucosal dissection.