Most of the cysts in the anal area are symptoms of hemorrhoids, perianal abscesses, and sebaceous cysts: 1. Hemorrhoids can form cysts or masses around the anus, and these cysts are actually hemorrhoid-induced thrombosis or venous blood clots that are usually located under the skin and have a hard appearance, causing significant swelling and pain around the anus. 2. Perianal abscesses can also lead to cysts or abscesses around the anus. The phenomenon of cysts or abscesses around the anus is mainly due to acute inflammatory infection of the anal glands and the spread to the skin around the anus. These cysts are mostly purple or dark red in color and have obvious itching and painful symptoms.3. Bacterial infection leads to inflammation of the skin around the anus, which causes the symptoms of sebaceous cysts.