PURPOSE: A filter for an aquarium including an air purification function is provided to offer humidifying and air purifying functions of the aquarium to users.CONSTITUTION: A filter for an aquarium including an air purification function includes a porous filtering plate(11), a fan(2), a ventilation hole(6), and an UV lamp(5). The porous filtering plate circulating air by force, and includes the fan on one side of circulating the air. A water splashing prevention filter for passing through the air inserted into the ventilation hole. The UV lamp sterilizes water inside a humidifier.COPYRIGHT KIPO 2013본 발명은 수족관용 여과기인 드라이 방식을 이용한은 여과기에 여과 판을 설치하고, 여과 판 사이를 공기가 통과하도록 하여, 공기청정기로서 기능을 하도록 한 장치 이다.