According to an embodiment, an air purifier includes: a purifying unit purifying indoor air a fragrance generating unit selectively generating a plurality of fragrances and a control unit controlling the fragrance generating module. According to an embodiment, the fragrance generating unit is able to actively generate fragrances by controlling a fragrance type or fragrance intensity considering a set time or surroundings. Effects of the present invention are not limited by the information mentioned above, and the other unmentioned effects are able to be understood by common engineers through the descriptions below.COPYRIGHT KIPO 2017일 실시 예에 따른 공기 정화 장치는, 실내 공기를 정화하는 정화 유닛, 복수 개의 향을 선택적으로 발생시킬 수 있는 향 발생 유닛 및 상기 향 발생 모듈을 제어하는 제어 유닛을 포함할 수 있다.
