PURPOSE: A far-infrared ray lamp for the plant cultivation is provided to enable users to easily control the direction of a heating wire if necessary, and to prevent a coating of the wore from separating from the wire by the heat of the lamp.CONSTITUTION: A far-infrared ray lamp for the plant cultivation includes the following: heat-radiating lamp fixing units fixed to both sides of the lamp a reflecting plate fixed in between a heat-radiating lamp and the heat-radiating lamp fixing units, with one end fixed to the inside of a reflector for reflecting the heat generated from the heat-radiating lamp a fixing piece(20) with the lower side fixed to the upper side of the reflector, including fastening holes on both upper sides a supporter(30) with both lower sides rotatably combined to the fastening holes on the upper side of the fixing piece using fastening units(31) including bolts and nuts an insulating socket(40) fixed to the upper side of the supporter and a ground socket(50) connected to wires on both ends of the heat-radiating lamp.COPYRIGHT KIPO 2012본 발명은 식물 재배시 시설물에 설치되는 방열등에 관한 것으로, 더욱 상세하게는 고정편과, 상기 고정편과 체결수단으로 회동가능하도록 결합된 지지부와, 상기 지지부와 회전가능하도록 리벳결합되는 단열소켓을 포함하여 구비되어, 사용자의 필요에 따라 열선이 지향하는 방향을 쉽게 조절할 수 있는 방열램프에 관한 것이다.