The present invention relates to an air purifier which has improved fine dust filtering and humidity control functions, thereby providing the effects of effectively filtering out dust and bacteria in indoor air and supplying moisture. According to the present invention, provided is the air purifier, which comprises: a body which has a front surface and left and right side surfaces a water tank which is installed inside the body, and which has a water supply part and a drain part filters which are detachably installed on the front surface and left and right surfaces of the body a water supply conduit which is installed on the top of the body, and which has a nozzle configured to receive water from the water tank and spray the water in a mist state a pump which supplies the water from the water tank to the water supply conduit a fan which is installed in the upper portion of the body, and which enables air to be discharged from the outside of the body through the filter and the upper portion of the body to the outside and also enables the sprayed water, discharged via the nozzle, to be discharged through the upper portion of the body to the outside, while being rotated a sterilization and disinfection lamp which is installed in the upper portion of the body, and which sterilizes and disinfects the air and the sprayed water discharged through the upper portion of the body to the outside while the fan is being rotated and a control panel which controls the operations of the pump, the fan and the sterilization and disinfection lamp.COPYRIGHT KIPO 2017본 발명은 미세먼지의 여과 및 습도 조절 기능이 함께 향상되어 실내 공기 중의 먼지와 세균을 걸러내고 습기를 보충하는 효과가 우수하게 되는 공기청정기에 관한 것이다. 본 발명은, 전면과 좌우측면을 구비한 본체와, 이 본체의 내부에 설치되며 급수부와 배수부를 구비한 물탱크와, 본체의 전면과 좌우측면에 각각 탈착 가능하게 설치되는 필터와, 본체의 상부에 설치되며 물탱크로부터 물을 공급받아 분무 상태로 분출하는 노즐을 구비한 급수관과, 물탱크로부터 급수관으로 물을 공급하는 펌프와, 본체의 상측에 설치되어 회전하면서 본체의 외부로부터 공기가 필터를 경유하여 본체의 상측을 통해 외부로 토출되도록 함과 아울러 노즐을 통해 분출되는 분무를 본체의 상측을 통해 외부로 토출되도록 하는 팬과, 이 팬의 회전에 따라 본체의 상측을 통해 외부로 토출되는 공기와 분무를 살균 소독
