To provide a wood dehydrating technique capable of effectively dehydrating contained water in a wood in a short time by making use of centrifugal force.

A wood dehydrating technique is adapted such that a wood is rotated for centrifugal force to be applied thereto longitudinally for dehydration thereof. There is provided a rotary table 1 which sets a wood bundle 4 where a plurality of the woods 40 are bundled radially around a rotary shaft 11 a longitudinal direction of each wood is directed substantially in the radial direction of the table.