Potato storage device with ventilation function

The invention discloses a potato storage device with a ventilation function, and relates to the technical field of storage equipment. The material guiding frame is fixedly arranged on the rear side wall of the storage box, a plurality of guiding rollers which are sequentially and upwards distributed from front to back are rotationally connected to an opening in the lower portion of the material guiding frame through shafts and bearings, the screening box is fixedly arranged on the upper portion of the material guiding frame, and a feeding hopper is arranged at an opening formed in the left side of the upper portion of the screening box. The spiral feeding rod is rotationally connected with the interior of the screening box in a penetrating mode through a bearing, a first driving motor is fixedly arranged on the left side wall of the screening box, a fan is fixedly arranged in an opening formed in the top wall of the storage box, potatoes can be screened according to the specifications and sizes of the potatoe