To increase the utilization factor of a space by providing the front storage furniture having an openable/closable door at the front section of a storage position, and providing the rear storage furniture extractable in the lateral direction at the rear section of the front storage furniture.

A storage section 2 is constituted of the front storage furniture 3 provided at the front section of a storage position and the rear storage furniture 4 provided at the rear section of the storage position. An openable/closable door 31 made of a folding door is provided on the front face of the front storage furniture 3, and a suspension rod 32 is provided inside for closet storage. Many shelves 4 1 are horizontally provided in the rear storage furniture 4, wheels are fitted to the upper face of the rear storage furniture 4 movably on the rails on the ceiling face, the rear storage furniture 4 is extracted in the lateral direction, and stored objects are stored in it or taken out. A combination of the front storage furniture 3 and the rear storage furniture 4 can be used as a module unit of a building.