To provide a system capable of accurately and quickly providing commodity information without being accompanied with the load for inputting commodity specifying information by a user.

This commodity information display device for displaying commodity information relating to a commodity, is constituted by being provided with a storage device for correlating and storing the commodity information and the commodity specifying information for specifying the commodity information, a reading device for reading the commodity specifying information, a commodity information acquiring means for acquiring the commodity information read out by the reading means and correlated with the commodity specifying information, from the storage means, and an image display device for displaying the commodity information on the basis of the commodity information acquired from the commodity information acquiring means.