The invention discloses a light disk recycling system and method. The recycling system comprises a first outer shell, a second outer shell, an operating zone door, a storage unit door, an underframe, a recycling operation unit, a first CD driver, a second CD driver, a disk grabbing head, a scanning head, a storage unit, a center control unit and a partition plate. The recycling operation unit comprises an operating zone underframe, a first rotary table, a disk retreating rack, a first motor, a small rotary table, a light disk stopping rod, a sliding channel and a second motor. The disk grabbing head comprises a sliding block, a lead screw, a disk grabbing arm, an electromagnet, a limiting sensor, a gas blocking plate, a sucking plate, a sucking cup, a protrusion, a third motor and a support. The storage unit comprises a second rotary table, a fourth motor, an infrared sensor, a support and a light disk barrel. The invention discloses the recycling method based on the light disk recycling system at the same time. Hence, unattended self-help recycling operation of light disks is achieved, recycling safety is high, the recycling speed is high and accuracy is high.