Itchy anus pulling out a long thing, may be due to rectal polyps, rectal prolapse, external hemorrhoids and other reasons. 1. Rectal polyps: rectal polyps generally refers to the mucosa of the rectum protrudes from the intestinal lumen caused by the elevated lesions, usually due to poor dietary habits and habits of life, the symptoms are often manifested as anal itching, and prolapse of a long strip of material. 2. Rectal prolapse: rectal prolapse generally refers to the patient’s abdominal pressure rises sharply caused by the intestinal wall throughout the downward displacement, anal itching, secretion, symptoms often manifested in the anus out of the inverted tower shape or cone-shaped long strip of material. 3. external hemorrhoids: patients who suffer from external hemorrhoids, the lack of blood supply may appear after the atrophy of the situation, resulting in the skin, so the patient may be in the anus to see pull out the long strip of material. The anal itch pulls out long stripes, it is recommended that patients should go to the hospital in a timely manner to check, find the cause of the disease, and then do the corresponding treatment, to avoid delays in the condition.