To provide a material for an interior using bamboo, and its manufacturing method, wherein even though an end material and thinnings of Japanese cedar and the like are used, a deformation is not generated, it looks to be beautiful, and is excellent also from the standing point of effectively utilizing resources.

This interior material has a wooden core material 100 and three pieces of bamboo materials 200A, 200B and 200C lined on three side surfaces 110A, 110B and 110C of the core material 100.