A nail printer and printing method for printing on nails of fingers in a short time. Printing of nails starts a predetermined time after a print start command is given by a print switch or a both-hand switch. When nails of thumbs or fingers of both right and left hands are printed with an image, a print switch is operated by one of the hands, the thumbs or fingers of the both hands are fixed at a predetermined printing position within a printed finger receiver and then the nails of both the thumbs or fingers are printed with a design or pattern.