Abstract: A refrigerator having a main body cabinet comprising an outside cabinet forming outer appearance and an inside cabinet provided with a filling distance of foaming material inside the outside cabinet and formed with a freezer and a cooler, a freezer evaporator and a cooler evaporator, a freezer fan and a cooler fan ventilating cold air formed from the freezer evaporator and the cooler evaporator toward the freezer and the cooler, includes: a cooler duct forming a cold air pathway between the cooler evaporator and the cooler, and having at least one inlet and an outlet formed at an upper side of the cooler evaporator; an airing duct provided to communicate with the cooler duct and a lower area of the cooler to make the cold air go in and out; wherein the cold air of the cooler is introduced into the cooler evaporator through the inlet and the air duct when the cooler fan turns on, the cold air formed from the cooler evaporator flows out to the cooler via the airing duct when the cooler fan turns off.