A cleaning disc cartridge capable of concurrently cleaning both a magnetic head (14) of a magneto-optical disc apparatus and an optical lens (18) thereof while allowing reading of a signal. A rotating disc 12 is provided on one surface thereof opposite a magnetic head (14) of the apparatus with a head cleaning member 16 and on the other surface thereof opposite to an objective lens (18) of the apparatus with lens cleaning members 20. The rotating disc 12 includes a disc body 22 which is provided with an inventory region 26 defined on an inner peripheral side of a lens cleaning member arrangement region, a reproduction-only region 28 defined on an outer peripheral side of the lens cleaning member arrangement region, and an information recording and reproducing region 24 outside the reproduction-only region. The head cleaning member 16 may comprise a non-woven fabric material such as nylon or rayon whilst the lens cleaning member 20 is formed by spinning a yarn of fibres such as rayon, nylon or polyester which is planted on the surface of the disc in a brush-like manner. A casing for storing the cleaning disc cartridge and comprises a casing body (64), support elements (74) and a holder (78) for holding a centre plate of the disc. <IMAGE>
