The device for storing and ordering biological sampling blocks, each block being in the form of a housing provided with identification information on one surface thereof, includes: storage for at least one element as a horizontally-extending drawer for positioning the blocks vertically in columns and rows with the above-mentioned surface facing upward, and with a nesting device provided as regularly spaced projections or recesses, forming male and female parts on the base, in which the blocks can be inserted; and a device for referencing the position of each block within the storage. The device for referencing includes a device for reading the identification information of each block and for the computerized recording of the position. The method includes using this device.