To provide convenient structure with which a rotational radius at the time of opening/closing is reduced, passage is not disturbed and articles can be efficiently put in/out.

A floor cabinet 3 is provided so that the deep side can be along the surface of walls and at the side end of the floor cabinet 3, a storage cabinet 5 higher than the floor cabinet 3, larger than the depth dimension of the floor cabinet 3 and grounded on the floor is provided so as to be opened toward the floor cabinet 3. Then, a double opening folding door 1 to be opened toward the side of wall and the front side of the floor cabinet 3 is provided at the opening of the storage cabinet 5, and knobs 2 are provided on the front faces of front side doors among doors consisting of the folding door 1.