Fuente: WIPO "tobacco agriculture" The invention provides a plant seed preservation device. The plant seed preservation device comprises a sealed box, a plurality of desiccant movable frames which are located in the sealed box, and a plurality of movable frameworks which are fixedly installed in the sealed box, and the four corresponding movable frameworks are clamped with the bottoms of the corresponding desiccant movable frames.The plant seed preservation device has the advantages of being reasonable in design, convenient to use and capable of strictly controlling water and desiccant in the environment where plant seeds arelocated and bringing convenience to desiccant regeneration and replacement.