Disclosed is a novel corn cob granary. The invention belongs to the field of agricultural machinery. The novel corn cob granary comprises a top cover, a rain and snow sensor, a rain device, a tie rod, a connecting plate, a screw rod, a movable plate, a fixing plate, a screw nut, a driving device, a case, an inner barrel, a controller, a power supply and the like. The novel corn cob granary is characterized in that the top cover is fixed to the upper end of the rain device, the rain and snow sensor is fixed on the top cover, the screw rod and the screw nut are matched, the screw nut and the movable plate are fixed together by bolts, the fixing plate and the inner barrel are fixed together through screws, the lower end of the inner barrel and a chassis are fixed together, a chassis circular hole is formed in the chassis by processing, the lower end of the screw rod penetrates through the chassis circular hole to be fixed to a rotary disc, and the screw rod is matched with the chassis through a second base in a rotation mode; the upper end of a worm and the lower end of the screw rod are fixed together, the upper end of the tie rod is fixed on the top cover, the lower end of the tie rod and a rack are fixed together, and the power supply and the controller are fixed on the rotary disc. The novel corn cob granary has the function that corn cobs move up and down in the granary, and achieves the purposes of ventilation and mildew prevention.