To easily move a tree without damage, to easily load/unload he tree, etc., and to surely hold it at a carrier for safely moving.

This member for house-holding and carrying a plant is provided with a bottom surface 16 for mounting the plant, a side surface plate 20 for holding the plant and a holding member 21 fixed to at least one of the bottom surface 16 and the side surface plate 20 to be held by a carrying means. At least a part of the side surface plate 20 is freely opened/closed outward in he neighborhood of the root of the plant.