If something grows inside the anus, first of all, do not be nervous, should be combined with visual diagnosis and rectal palpation, touch the texture and mobility, can be placed in the anoscope, or even colonoscopy, under the mirror to clarify its color, there is no oozing, there is no depression. If necessary, timely surgical resection should be performed, and the mass can be resected through the anus. After excision, it will be sent for pathologic examination, and the next step of treatment will be decided according to the results of the pathology. If the pathology is benign, such as tubular adenoma, juvenile polyp, inflammatory polyp, etc., regular outpatient review is sufficient. If the pathological return is a malignant tumor of the rectum, radical rectal cancer surgery should also be performed. Therefore, the appearance of a tumor in the anus, first of all, do not be nervous, you should analyze the type of its pathology, and then according to the results of different treatment.