PURPOSE: An air sterilizing apparatus is provided to purify polluted air using photo catalysis and far-infrared radiation.CONSTITUTION: A pre-filter(20) filters dust included in air. An ozone lamp(30) is included in the inside of the pre-filter. A suction fan(40) rotates the air in order to forcibly discharge and inhale 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). 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