A painful growth around the anus may be related to hemorrhoids, perianal abscess, folliculitis, boils and other diseases. 1. Hemorrhoids: If they grow in the anal area, they look purplish red in appearance and are accompanied by redness, swelling and pain. 2. Perianal abscess: if a circle around the anus long bag, and can be pushed, the bag inside the pus, the patient can not sit still. 3. Folliculitis: As there are hair follicles in the anus, if invaded by bacteria or germs, it may cause inflammation of hair follicles, and the symptoms of redness, swelling and pain of hair follicles are raised. 4. Boils: related to Staphylococcus aureus infection, manifested as raised hard bumps, accompanied by obvious pain. A painful bag around the anus is also seen in other causes, it is recommended that patients seek timely medical treatment, standardized treatment under the guidance of a professional doctor, so as not to delay the condition.