The invention discloses a quick drying device for agricultural fertilizers, which comprises a base, the top of the base is fixedly connected with a casing, and the central axis at the bottom of the inner wall of the base is movably connected with a connecting column, and the surface of the connecting column is sleeved There is a driven wheel, a motor is fixedly connected to the bottom right side of the inner wall of the base, and a driving wheel is fixedly connected to the output end of the motor. The present invention is equipped with a base, a housing, a connecting column, a driven wheel, a motor, a driving wheel, a belt, a cage, a movable block, a fan, a heating box, a heating base, a heating pipe, a first pipeline, a second pipeline, and an air outlet pipe. , The combination of feeding hopper and box door, high drying efficiency, thorough drying of agricultural fertilizers, energy saving and environmental protection.