A digital data searching apparatus is provided with a data storage for storing digital data and first and second attribute data representing conditions on which the respective digital data were created; a first classifying device for classifying the digital data into i sets based on the first attribute data; a second classifying device for classifying the digital data into j sets based on the second attribute data; a first selecting device for selecting one set from the i sets upon receiving an input from outside; a second selecting device for selecting one set from the j sets upon receiving an input from outside; an extracting device for calculating a product set of the set selected by the first selecting device and the set selected by the second selecting device, and a display controller for displaying the digital data included in the product set on a display device. Digital data satisfying a specified condition can be efficiently searched from a plurality of digital data.