A cooling apparatus is provided in which items to be cooled may be vertically stacked on each other in a state in which the items to be cooled are laid out or laid on their sides. When the items to be cooled are vertically stacked in the cooling apparatus, a problem in that an upper space of the cooling apparatus is not utilized may be solved to efficiently utilize an inside of a refrigerator or a back surface of a door. Also, a problem in that capacity within the refrigerator is reduced when the items to be cooled are horizontally received may be solved.