A pimple growing on the perianal area is very painful, commonly found in external hemorrhoids, perianal abscess, etc. Treatment should be chosen according to the disease and can be treated by conservative or surgical treatment. 1. Perianal abscess: usually because of the anal gland infection caused by, good in the anus rear or lateral subcutaneous, the main symptom is the pain in the perianal area, for the persistent throbbing pain, there will be localized redness, swelling, suffocation and so on. It can be treated by non-surgical means, with antibiotic anti-infection treatment as prescribed by the doctor, such as ceftriaxone sodium, metronidazole, etc., as well as warm water sitz baths or 1:5000 potassium permanganate solution sitz baths and other methods. Severe cases can be treated by surgery such as abscess incision and drainage. 2. External hemorrhoids: is a kind of hemorrhoids, if it is thrombosed external hemorrhoids often accompanied by severe pain, the main treatment is non-surgical treatment and surgical treatment. Non-surgical treatment includes changes in lifestyle and dietary habits, eating more dietary fiber, avoiding spicy and irritating foods, keeping bowel movement, avoiding prolonged squatting and sitting, hot water baths and so on. Surgery can be thrombosed external hemorrhoid stripping surgery. A pimple grows on the perianal area is very painful, we should promptly go to the hospital for examination, diagnosis and treatment by a professional doctor, to avoid delaying the condition!