The invention discloses a convenient-to-store set top box with digital copyright. The convenient-to-store set top box comprises a main transmission belt, a driven gear, a driven belt wheel, a drive belt wheel, a drive gear, a tray, a cranking bar, a groove, heat dissipation holes, a secondary shaft, a primary shaft, a first transmission device, a box body, a second transmission device, an auxiliary transmission belt and a set top box body, wherein the groove is formed in the top of the box body; the tray is mounted inside the groove; the first transmission device and the second transmission device are symmetrically arranged inside the groove; and each of the first transmission device and the second transmission device comprises a first driven belt wheel, a large rotary shaft, a driven belt, a second driven belt wheel and a small rotary shaft, wherein the two ends of each of the large rotary shaft and the small rotary shaft are fixedly connected with the inner walls of the correspondingtwo sides of the box body. The convenient-to-store set top box is simple and elegant in appearance, and is relatively small in occupied area, so that the set top box can be accommodated in an all-around mode, and therefore, the very good protection effect can be achieved; and moreover, most of space is reserved in the tail part of the convenient-to-store set top box for arranging and placing various wiring plugs, so that connecting wires are easily cleared up.