The apparatus and method arbitrarily changes the refrigerating space without varying the refrigerating capability, and refrigerates the fresh food under a condition appropriate for the kind of the food. The apparatus comprises: a cooling air chamber(2) having a heat insulation structure; a plurality of storage chambers(5) having a space(4) making the cool air flow; a cooling unit(3) selectively supplying the cool air for the cooling air chamber(2) and the storage chambers(4).
