The present invention relates to an LED photocatalyst module comprising: a light supplying unit for radiating light to a photocatalyst so that the photocatalyst is activated; a photocatalyst purifying unit which is formed separately from the top of the light supplying unit so as to purify polluted air; and a discharging unit which is formed separately from the top of the photocatalyst purifying unit so as to suck the air purified by the photocatalyst purifying unit and to discharge the air to the outside, wherein the photocatalyst purifying unit comprises a ceramic honeycomb structure in which a plurality of photocatalyst blow holes coated with the photocatalyst are combined in a honeycomb form, and wherein the photocatalyst comprises: a porous metal oxide film; and metal particles formed on the surface of the porous metal oxide film. An embodiment of the present invention provides the LED photocatalyst module comprising the photocatalyst which responses to visible light, and has an excellent photocatalytic activity.광촉매에 광을 조사하여 광촉매가 활성화되도록 하는 광공급부; 상기 광공급부 상부에 이격 형성되어 오염된 공기를 정화하는 광촉매정화부; 및 상기 광촉매정화부 상부에 이격 형성되어 상기 광촉매정화부에 의해 정화된 공기를 빨아들여 외부로 배출되도록 하는 배출부;를 포함하고, 상기 광촉매정화부가 상기 광촉매재로 코팅된 다수의 광촉매기공이 벌집형태로 조합된 세라믹 허니컴 구조체를 포함하며, 상기 광촉매재는 다공성 금속산화물막; 및 상기 다공성 금속산화물막의 표면에 형성된 금속입자를 포함하는 엘이디 광촉매 모듈에 관한 것이다.