A refrigerator includes an apparatus for producing dairy products. The refrigerator includes an outer cabinet, an inner cabinet provided inside the outer cabinet and including a refrigerator compartment to formed therein, and an dairy product maker provided inside the refrigerator compartment. The dairy product maker includes a case including a suction port and a discharge port to allow cool air to flow in and out, respectively, a container to store the produced dairy product therein, a heater to apply heat to the container to produce the dairy product in the container, ribs protruding from an inner surface of the case to form a cooling flow channel with the inner surface and provided between the suction port and the discharge port to cool the container, and a guide slit to guide the produced dairy product overflowing into the cooling flow channel, to a bottom surface of the case.