A pimple next to the anus, its causes include hemorrhoids, perianal abscess, warts, etc., the treatment includes drug therapy such as the application of glucocorticoids, surgical treatment. 1. hemorrhoids: hemorrhoids refers to the anal canal or the lower end of the rectum venous plexus congested and enlarged, the main clinical symptoms for the pain bleeding, perianal itching and prolapse. Treatment methods include drug therapy, such as Ma Yinglong musk hemorrhoid cream, etc.; can also be used for injection sclerotherapy; adhesive ring ligation therapy and so on. 2. Perianal abscess: Perianal abscess refers to purulent infection of the tissues around the anorectum. Medications include cefixime, metronidazole, celecoxib, etc. Some may need to be treated by incision and drainage. 3. Condyloma acuminatum: Condyloma acuminatum is a sexually transmitted disease caused by infection with the human papilloma virus. When the patient is infected, reddish particles of varying sizes, single or multiple, will appear on the external genitalia and in the area around the anus. Medication includes 5% imiquimod cream and 0.5% onychomycosis ointment. When patients experience discomfort, they should go to the hospital immediately and need to choose the medication under doctor’s supervision.