To provide a large cabinet composition which front and rear parts are divided and manufactured separately, delivered to a user, and assembled again at a delivered site.

Both the openings of a rear box body 2 having a rear surface plate 5 at its rear portion while its front is open, and a front box body 2 having an opening that is in the same shape as that of the rear box body 2 at the rear and at the same time having a door 4 that can be opened or closed at the front are brought into contact each other, and both the box bodies are joined, thus forming the cabinet having a continuous space part in both the box bodies and a door 4 for opening or closing the space part at a front side.