PURPOSE: A refrigerator is provided to facilitate the installation and separation, and improve sterilizing performance and deodorization performance by distributing ion in a storage room evenly.CONSTITUTION: A refrigerator is composed of a main body, a door, and a sterilizing unit(100). The sterilizing unit is composed of a housing(110), a blowing unit(160), an ion generating unit, and a guide unit and installed in the upper surface of a storage room. The ion generating unit is installed between an ion discharging port and the blowing unit to generate ion by receiving the air. The guide unit guides the exhausted air from the blowing unit to the ion generating unit side.COPYRIGHT KIPO 2012