The invention discloses a wood superheated steam drying and heat treatment integrated device. The wood superheated steam drying and heat treatment integrated device comprises a kiln body, fan assemblies, heater assemblies, steam injection assemblies and partition plates. A plurality of wood drying areas are arranged in the kiln body at intervals. The plurality of heater assemblies are arranged above the wood drying areas; the multiple fan assemblies are located above gaps between the adjacent wood drying areas, and air outlets of the fan assemblies face the heater assemblies. The partition pla...