A tape printing apparatus includes an input device, a setting device, and a display device. The apparatus further includes a setting tape width image storage device, a character size image storage device, a tape width acquisition device, a character size acquisition device, a setting tape width image reading device that reads out one of setting tape width images from the setting tape width image storage device, and a character size image reading device that reads out one of character size images from the character size image storage device. The apparatus further includes a setting guide image generation device that generates a setting guide image by combining the one of the setting tape width images and the one of the character size images, and a setting display control device that displays the setting guide image on a setting screen.