The invention discloses a continuously variable transmission driver disk. The continuously variable transmission driver disk comprises a fixed disk and a movable disk which are respectively provided with an external conical surface, wherein the external conical surfaces of the fixed disk and the movable disk are sleeved on a main shaft reversely, the fixed disk and the main shaft are in interference fit, a throwing bead throwing track is arranged inside the movable disk, throwing beads are arranged inside the throwing bead throwing track, a throwing bead compression plate is buckled at the outside of the movable disk, the throwing bead compression plate is sleeved on the main shaft and is in interference fit with the main shaft, a sliding sleeve is arranged between the movable disk and the main shaft, the movable disk and the sliding sleeve are in sliding fit, the sliding sleeve and the main shaft are in interference fit, the throwing bead track and the throwing bead compression plate separate the movable disk and the throwing bead compression plate into a plurality of cavities, a cambered surface bulging inwards the cavity is arranged on the throwing bead track corresponding to the edge of the cavity or on the throwing bead compression plate corresponding to the edge of the cavity, or alternatively, the cambered surface bulging inwards the cavity is arranged on both the throwing bead track corresponding to the edge of the cavity and the throwing bead compression plate corresponding to the edge of the cavity at the same time.