The present invention provides a registration system (10) including a recognition unit (11) that analyzes an image obtained by a camera imaging a placing surface of a table on which a product is placed and recognizes the product in the image, a registration unit (12) that registers the recognized product as a checkout target, a first display unit (13) that displays a list of the products registered as the checkout targets on a display, a first selection unit (14) that selects one or more of the products from the list, and a second display unit (15) that displays information for determining the selected product, on the placing surface.