The invention discloses a hierarchical organization structure for storing medium. The hierarchical organization structure comprise an access layer serving as a root node, a plurality of medium classifying layers and a medium layer, wherein each layer in the plurality of medium classifying layers represents one medium classifying mode, so that the plurality of mediums can be classified into multiple groups in each medium classifying layer according to a preset classifying mode, and each group has the advantages of multiple identical kinds. Through the technical scheme provided by the invention, a plurality of demands selected by a disc can be easily achieved and a plurality of selection strategies can be achieved.