Hemorrhoids are one of the causes of anal growths, but not all perianal growths must be hemorrhoids. Hemorrhoids are divided into internal hemorrhoids, external hemorrhoids and mixed hemorrhoids. Internal hemorrhoids are usually not revealed outside the anal opening, and only when the hemorrhoids are relatively large or cause prolapse of the rectal mucosa will the hemorrhoids protrude outside the anal opening. When there is proctitis, rectal polyps, due to the constant stimulation of inflammation, will also cause the perianal rectal mucosa of the skin cells appear abnormal hyperplasia, polyps continue to proliferate and increase in size, resulting in protruding in the anal opening around the meat. If you don’t pay attention to the hygiene habits of the anus, it will also lead to the infection of bacteria and viruses in the anus, when the bacteria and viruses multiply in the anus, they will attack the skin around the anus, and even enter the rectal mucosa through the anus, which will lead to the perianal lumps.