To provide a merchandise search system allowing a user to do online shopping easily as if the user looks around inside a store and selects a merchandise.

A search processing unit 300 has: a function for acquiring merchandise included in the whole range of respective attribute values of two attributes from a merchandise database 100 and creating two-dimensional merchandise array data in which the respective attribute values of the two attributes are expressed as a vertical axis and a horizontal axis; a function for acquiring merchandise with the number being displayable on a merchandise display unit out of merchandise included in the whole range of the two-dimensional merchandise array corresponding to the two-dimensional merchandise array data and displaying them on the merchandise display unit; a function for, when an operation to change a scale of the display range is performed, acquiring merchandise with the number being displayable on the display unit and displaying them on the merchandise display unit, and a function for, when a display range moving operation is performed on the two-dimensional merchandise array, setting the display range to be displayed on the merchandise display unit to an arbitrary region on the two-dimensional merchandise array, acquiring merchandise with the number being displayable on the merchandise display unit from the plurality of merchandise present at the region, and displaying them on the merchandise display unit.