Anal protrudes a meat bump does not hurt itch can be seen in hemorrhoids, sebaceous cysts, rectal polyps, scar tissue and other conditions. 1. hemorrhoids: hemorrhoids are divided into internal and external hemorrhoids. Most of the hemorrhoids protruding from the anus are external hemorrhoids, and some of the larger internal hemorrhoids will also protrude from the anus. 2. sebaceous cysts: anal sebaceous cysts without co-infection, there may be no pain, itching and other symptoms, manifested as palpable round, smooth nodules. 3. Rectal polyps: when the rectal polyps near the anus are large, they may protrude out of the anus and usually have no obvious symptoms. 4. Scar tissue: If the perianal skin has experienced skin lesions, infections, postoperative, etc., the healing can leave a raised, painless and itchy scar tissue on the perianal skin, which needs no special treatment. Anus protrudes a lump of flesh does not hurt and itch, in addition to the above, there may be other reasons, it is recommended to the hospital anorectal examination, a clear diagnosis, to give targeted treatment, to avoid delaying the condition.