Boils easily rise around the anus are soft tissue infections, mainly lumps formed by bacterial infection after hair follicle blockage, usually small, one hair follicle, two hair follicles, if several hair follicles are larger in scope, boils are larger in scope lumps, clinical symptoms are summarized as redness, swelling, heat and pain. After the boil is up, it will be swollen and painful because it is an infectious lesion, and local examination reveals that the area around the lesion is more red and particularly painful to touch, and the top of the boil will have a pus plug or pus head sometimes ulcerated, and the pain will be slowly relieved. Perianal boil lesions are generally more limited and localized, with no systemic symptoms and no fever, so clinical management is localized and the prognosis is better.