In a disc changer, improvements of the taking-out operation, housing operation, stabilization of disc transfer and downsizing of a conveyance mechanism and stabilization of reproducing operation are intended. The disc changer comprises a disc housing unit, a disc transfer mechanism provided on the upper surface of the disc housing unit, and a disc playback unit. The disc housing unit 100 is provided with disc exchange support mechanism for pushing up a disc inside disc housing groove 101 formed in the disc housing unit and light-emitting means 107 for allowing groove 101 to be recognized.