To provide a storage room structure capable of storing an article in an unperceived manner.

A space between a floor 17 and an intermediate floor is a storage room 21; the storage room 21 is adjacent to a room 19 in a building 1; and the storage room 21 includes a first storage room 21a arranged adjacent to the room 19 and a second storage room 21b arranged adjacent to the first storage room 21a so that the first storage room 21a is interposed between the second storage room 21b and the room 19. A first doorway 22a is formed in a wall 22 between the first storage room 21a and the room 19, and a second doorway 23a is formed in a wall 23 between the second storage room 21b and the first storage room 21a. Movable storage furniture 26 having a function as a door for opening/closing the second doorway 23a by having slide means sliding along the wall 23 in which the second doorway 23a is formed is provided at the second doorway 23a.