A refrigerator includes a cabinet defining a first storage compartment and a second storage compartment that is positioned vertically below the first storage compartment, a receiving drawer configured to be received into the second storage compartment, a mullion that partitions the first storage compartment from the second storage compartment, and an access cover configured to selectively open or close the access hole. The receiving drawer includes a receiving door configured to open and close the second storage compartment and a receiving box provided on a back surface of the receiving door. The mullion defines an access hole that allows fluid communication between the first and second storage compartments.