In order to efficiently deodorize and sterilize an inside of a refrigerator, the refrigerator includes a heat-insulating main body which is made of a heat-insulating material and in which a storage compartment is formed, a door attached to an opening provided on the heat-insulating main body so as to be openable and closable, and a cooling unit which cools air inside the heat-insulating main body, and the refrigerator includes: a support which is placed in the storage compartment and on which a photocatalyst is supported an irradiation unit which irradiates the support with excitation light which excites the photocatalyst and an air blowing unit which forcibly blows the cool air inside the storage compartment toward the support.
