To provide a containing structure and a guide part for a sliding door by which even a heavy article can be easily contained or taken out.

A rear plate 2, two side plates 3, 3, a top plate 1, sliding doors 4, 4 suspended at the front side of the top plate are fixed on a floor face 8 to form a containing space 9 in order to omit the bottom plate. A partition plate 5 is provided in the containing space 9 and a guide part 6 for the sliding doors preventing the swinging motion of the door is provided at the lower end of the partition plate 5. The guide part 6 for the sliding doors is fixed to protrude to the front side and the guide part 6c is positioned at the front side of the sliding doors 4, 4 or in the groove provided at the lower end face of the sliding doors 4, 4.