PURPOSE: An air sterilizing apparatus is provided to decompose ozone using a photo catalysis lamp and an ozone lamp.CONSTITUTION: A pre-filter(20) filters dust included in air. An inhalation fan(40) is rotated for inhaling and discharging the air. A far infrared lamp(50) purifies the inhaled air. A photo catalysis filter(70) is formed between an elvan filter(60) and an outlet port(13). An ultraviolet lamp is formed in the center of a cell plate. The housing unit of an inlet port inhales the air from the outside. The inlet port is formed at the one end of a body.COPYRIGHT KIPO 2013실내의 오염된 공기를 살균 정화하는 장치