The present invention relates to a thermal therapy device, and more specifically, to a thermal therapy device which treats parts of a human body by proving heat to the human body while moving along the surface of the human body. The thermal therapy device according to one embodiment of the present invention includes a main body with a power source and a thermal therapy module which is provided with a current from the main body while moving along parts of a human body and provides heat to the human body. A thermal therapy unit is stably provided with operation power.본 발명은 주열기에 관한 것으로, 더욱 상세하게는 신체의 표면을 따라 이동하면서 신체의 각 부위에 열기를 제공하여, 열기를 통해 각 부위를 치료하는 주열기에 관한 것이다.