In the present invention, heat generated from the substrate can be effectively dissipated by a radiator, and thermal damage of the power supply can be minimized by fixing the spaced connection of the power supply. As the LED for sterilization is arranged around the LED for lighting, In addition to the lighting function, a sterilization function can be provided, and the deodorization function can be provided due to negative ions and far-infrared rays as tourmaline is injection-molded when the radiator and the lamp shade are manufactured, and a ceramic coating layer is formed on the surface of the radiator Accordingly, the heat dissipation effect can be doubled due to the ceramic coating layer as well as additional negative ions are released from the ceramic coating layer, and according to the embodiment, it has a sterilization function that can be moved to a required position along the moving guide frame installed on the upper part of the house. It relates to a livestock lighting device. The lighting device for livestock having a sterilization function according to a preferred embodiment of the present invention includes an LED lighting unit provided with a lighting LED in the center on a lower surface of the substrate and a lamp shade at the edge of the substrate, and a substrate of the LED lighting unit A radiator provided on the top of the radiator to discharge heat generated from the substrate to the outside, and provided on the top of the radiator, but connected to the radiator in a state spaced apart from the top of the radiator under the interposition of a spaced connection member, and through a power line A power supply unit for receiving power to emit light for the lighting LED and the sterilizing LED is included.본 발명은 기판에서 발생되는 열이 방열기에 의해 효과적으로 방열될 수 있고, 전원공급부의 이격연결고정에 의해 전원공급부의 열손상이 최소화될 수 있으며, 조명용 엘이디 둘레에 살균용 엘이디가 배열됨에 따라 본연의 조명기능 이외에 살균기능까지 제공될 수 있고, 방열기와 조명갓의 제조시에 토르말린이 혼합된 상태로 사출성형됨에 따라 음이온과 원적외선으로 인해 탈취기능이 제공될 수 있으며, 방열기의 표면에 세라믹코팅층이 형성됨에 따라 세라믹코팅층으로부
