The present invention relates to an infrared irradiator which is capable of emitting far-infrared ray which comprises: a main body (33) which has socket (34) for infrared lamp (11) in the infrared irradiator, and connection belt (35) in the fore side a lamp housing (40) which has a connecting piece (43) in the inside of the fore side, and is connected in order to separate in the rear side with a connecting screw (37) in the connecting hole (36) which is installed by dispersing in the connection belt (35) a connecting part (14) which is formed in order to connect to the connecting piece (43) of the lamp housing (40) a bio ceramic plate (15) which emits the far-infrared ray by comprising a hole (16) in which infrared ray is penetrated, wherein the connecting piece (43) is installed in the fore side of the lamp housing (40) toward the main body by having a protection distance (d).COPYRIGHT KIPO 2014본 발명은 적외선조사기의 적외선램프(11) 용 소켓(34)을 설치하고 선단에 결합띠(35)를 가지는 본체(33)와결합띠(35)에 분산 설치한 결합공(36)에 결합나사(37)로 후단에서 분리 가능토록 결합되며 선단 내측에 결합편(43)을 설치한 램프하우징(40)과램프하우징(40)의 결합편(43)에 결합하도록 테두리에 형성한 결합구(14), 및 적외선이 통과하는 구멍(16)을 이루고 원적외선을 발산하는 바이오 세라믹판(15)을 포함하여 구성하고결합편(43)은 램프하우징(40)의 선단에서 본체를 향하여 보호거리(d)를 두고 설치된 것을 특징으로 하는 원적외선발산 가능한 적외선 조사기이다.