A culture apparatus including an outer case, an inner case disposed thereinside configured with metal plates, and a door to open/close an opening formed in front faces of the cases, the culture apparatus configured to cultivate cultures inside the inner case, wherein side plates of the inner case include pairs of shelf rests formed by press working, each of shelves includes side parts of bottom surfaces, the side parts configured to be placed on one of the pairs of shelf rests, such that the shelves are arranged in a vertical direction, stoppers are provided such that the stoppers of one pair of shelf rests limit movement in a vertical direction of a shelf placed on an immediately lower pair of shelf rests, each of the shelf rests includes a placement surface, on which one of the shelves is to be placed, and an inclined surface formed on undersides of the placement surface, and the stoppers are provided, below the placement surface, on the inclined surface.