A cooling apparatus, comprising: a base configured to be fixedly or separably mounted on or in a storage compartment of a refrigerator or a door that opens and closes the storage compartment; an agitation tray disposed on a top surface of the base and configured to perform an agitating motion; a container holder configured to receive a plurality of objects to be cooled vertically stacked on each other, wherein the container holder is fixedly or separably mounted on the agitation tray; an agitation drive connected to the agitation tray to transmit power to provide the agitating motion to the agitation tray; a fan that, when the cooling apparatus is mounted on or in a storage compartment of a refrigerator or a door that opens and closes the storage compartment, supplies cool air to cool the plurality of objects; and a duct that guides the cool air supplied by the fan toward the plurality of objects, wherein the container holder comprises: a front frame; a rear frame; and a connection frame that connects the front frame to the rear frame, wherein each of the front and rear frames (501, 502) comprises: first and second supports (501a, 501b, 502a, 502b) that vertically extend to face each other and that are spaced a predetermined distance apart from each other; upper supports (501c, 502c) that are connected by the connection frame; and a plurality of container supports that, respectively, protrude from inner side surfaces of the first and second supports (501a, 501b, 502a, 502b) to support the plurality of objects, wherein the plurality of container supports are arranged to be vertically spaced a predetermined distance from each other so that the plurality of objects are vertically stacked within the container holder. a base configured to be fixedly or separably mounted on or in a storage compartment of a refrigerator or a door that opens and closes the storage compartment; an agitation tray disposed on a top surface of the base and configured to perform an agitating motion; a container holder configured to receive a plurality of objects to be cooled vertically stacked on each other, wherein the container holder is fixedly or separably mounted on the agitation tray; an agitation drive connected to the agitation tray to transmit power to provide the agitating motion to the agitation tray; a fan that, when the cooling apparatus is mounted on or in a storage compartment of a refrigerator or a door that opens and closes the storage compartment, supplies cool air to cool the plurality of objects; and a duct that guides the cool air supplied by the fan toward the plurality of objects, wherein the container holder comprises: a front frame; a rear frame; and a connection frame that connects the front frame to the rear frame, wherein each of the front and rear frames (501, 502) comprises: first and second supports (501a, 501b, 502a, 502b) that vertically extend to face each other and that are spaced a predetermined distance apart from each other; upper supports (501c, 502c) that are connected by the connection frame; and a plurality of container supports that, respectively, protrude from inner side surfaces of the first and second supports (501a, 501b, 502a, 502b) to support the plurality of objects, wherein the plurality of container supports are arranged to be vertically spaced a predetermined distance from each other so that the plurality of objects are vertically stacked within the container holder. a front frame; a rear frame; and a connection frame that connects the front frame to the rear frame, wherein each of the front and rear frames (501, 502) comprises: first and second supports (501a, 501b, 502a, 502b) that vertically extend to face each other and that are spaced a predetermined distance apart from each other; upper supports (501c, 502c) that are connected by the connection frame; and a plurality of container supports that, respectively, protrude from inner side surfaces of the first and second supports (501a, 501b, 502a, 502b) to support the plurality of objects, wherein the plurality of container supports are arranged to be vertically spaced a predetermined distance from each other so that the plurality of objects are vertically stacked within the container holder. first and second supports (501a, 501b, 502a, 502b) that vertically extend to face each other and that are spaced a predetermined distance apart from each other; upper supports (501c, 502c) that are connected by the connection frame; and a plurality of container supports that, respectively, protrude from inner side surfaces of the first and second supports (501a, 501b, 502a, 502b) to support the plurality of objects, wherein the plurality of container supports are arranged to be vertically spaced a predetermined distance from each other so that the plurality of objects are vertically stacked within the container holder.