An image display method including: obtaining (S2301) combined data including (i) image data of an image having an item as a subject and (ii) first setting information indicating processing which a first electric appliance performs on the item; determining whether or not the first setting information is convertible into second setting information, the first setting information being included in the obtained combined data, and the second setting information being information in a format previously designated by a user and executable by a second electric appliance; determining (S2305) a first mark to be added to the image of the image data, if it is determined that the first setting information is convertible into the second setting information; and displaying (S2307) the image of the image data to which the determined first mark is added, the image data being included in the combined data.