The present invention relates to an evaporative air sterilizer, at least one side is open to the inside of the outside air and the suction port 11 to be sucked, the suction port body having a discharge port, respectively 12 to be sucked air is discharged to the outside through the (11) (10) and And the main body 10 is positioned on the bottom surface of the inner tank (14) The rotating shaft 22 is provided, the axis of rotation is the center of a number plate is laminated on the through-wave shape 22 water filter 20 and having a length which is installed in the left and right on the upper side of the water tank (14) And a fan 30 for blowing the inlet 11 and the air is introduced into the water by sequentially through the filter 20 of the main body 10 to the discharge port (12) Supplying a predetermined amount of water diluted with disinfectant 40 to be mixed with sterile components to the sterilizing component in the sterilizing agent with the water tank (14) Is provided in the water tank (14) comprising: a water tank (14) OH radical generation device making the water can be stored in a number of OH radicals (45) The sterilizing agent is chlorine dioxide can, and in that any one selected from the phytoncide as technical features.This is wetted by the disinfectant in the water is mixed in the water holding filter, the air passing through the water filter Evaporation of the bactericidal component as to discharge the sterilized can be sterilized particles can be present in the fine particles in the air and the disinfection sterilizing harmful bacteria in the air, thereby to maintain a clean room or space within the appropriate range.본 발명은 기화식 공기 살균기에 관한 것으로, 적어도 한 면이 개방되어 외부 공기가 내부로 흡입되는 흡입구(11)와, 상기 흡입구(11)를 통해 흡입된 공기가 외부로 토출되는 토출구(12)를 각각 구비하는 본체(10)와 상기 본체(10) 내부의 저면에 위치되는 수조(14)와 상기 수조(14)의 상측에 좌우로 길이를 갖는 회전축(22)이 구비되고, 상기 회전축(22)에 중심이 관통된 물결형상의 다수판이 적층되어 설치되는 물필터(20)와 상기 본체(10)의 흡입구(11)와 물필터(20)를 순차적으로 통과하여 내부로 유입된 공기를 토출구(12)로 송풍시키는 송풍기(30)와 상기 수조(14)의 물에 살균성분을 갖