There is a skin-colored ball outside the anus that is painless and itchy, the clinical consideration is that hemorrhoids are more likely, but also rectal polyps, anal papillae hypertrophy, etc.. 1. hemorrhoids: there is a skin color ball outside the anus does not hurt and itchy, usually considered as external hemorrhoids, meatballs are connective tissue dermatomes or inflammatory external hemorrhoids. External hemorrhoids are usually painless. Need to go to the hospital in time for a clear diagnosis-. 2. Rectal polyps: Rectal polyps are manifested as low polyps with tips prolapsing out of the anus, manifested as a ball of flesh outside the anus that is painless and itchy, and a small number of them may have bleeding and symptoms of acute and severe pain. Need to do a biopsy of the polyp, in order to clarify its benign or malignant. 3. Anal papilla hypertrophy: anal papilla hypertrophy is a common disease, usually due to diarrhea, inflammatory stimuli, etc., can also lead to the appearance of a ball of proliferation outside the anus. In addition, it is also necessary to be alert to the possibility of rectal-anal tube tumors, which usually require timely surgical resection. If there is a skin-colored ball outside the anus that is not painful or itchy, it is recommended to consult a doctor in time, and after clarifying the nature of the ball with the help of the doctor, reasonable treatment will be carried out according to the specific situation. In daily life, it is necessary to pay attention to maintaining a light diet and keeping the bowels clear to avoid constipation and diarrhea.