A wart, also known as a common wart, causes a grayish-brown or brown, skin-colored papule with a papillomatous appearance. Common warts are caused by human papilloma virus infection, resulting in benign skin abnormalities, mainly through direct or indirect contact transmission, can occur in any part of the body, to the hand is more common, the skin damage for the soybean size or larger pimples, the color of grayish-brown, brown, the color of the skin, the surface of the rough, hard, papillomatous hyperplasia. The warts that occur around the nails are called periungual warts; those that occur on the nail bed are called subungual warts; some warts are elongated and raised and accompanied by keratinization of the tip are called filiform warts, which are found on the neck, forehead, eyelids, and under the armpits. The warts are usually found on the neck, forehead, eyelids and underarms.