A universal media disc cleaning/repairing device including: a main body having a receptacle for snugly receiving a universal media disc; a driving motor mounted in the main body; a disc driving mechanism rotationally drivable by the driving motor, the disc driving mechanism having a disc driving tray upward protruding from a carrier board section of the main body for rotationally driving the universal media disc placed in the carrier board section; a cleaning/repairing tray pivotally mounted on the main body and rotationally drivable by the driving motor. The cleaning/repairing tray is adapted to contact with lower side of a read/write window of the cartridge of the universal media disc placed in the carrier board section.