The refrigerator comprises a cabinet, a storage chamber disposed inside the cabinet, a cold air duct disposed at a rear of the storage chamber, and a sterilizing and deodorizing device mounted inside the storage chamber, and to introduce air discharged from the cold air duct, sterilize and deodorize the introduced air, and discharge the sterilized and deodorized air into the storage chamber. The sterilizing and deodorizing device comprises a housing mounted in the storage chamber, a deodorizing filter deodorizing the air introduced into the housing, a sterilizing lamp to sterilize the air introduced into the housing, and having a cylindrical shape, and an insulating tape attached to a surface of the housing adjacent to the storage chamber, and comprising a reflective layer reflecting ultraviolet rays emitted from the sterilizing lamp and an insulating layer preventing heat generated from the sterilizing lamp from moving to the storage chamber.