To provide a cupboard which can exhaust heat and steam of home electronics, such as an oven or a rice cooker, laid on an open part of the cupboard with natural convection as an exhaust heat gap is made penetrating upward in the back of an upper storage, can prevent positions where heat and steam of the home electronics blow with a mobile outlet, does not damage the outlet and can be safely used.

The cupboard is characterized by having an exhaust heat gap which penetrates upward for exhausting heat in the back of an upper storage located on an open part of the cupboard.