The present invention relates to a treatment device for thyroid disease, which comprises: a treatment device holder part for holding a treatment device body during manipulation; and the treatment device body held on the treatment device holder part and put on a neck of a user when used. The treatment device of the present invention is intended to treat thyroid using heat and laser after put on the neck. The treatment device holder part comprises: a placement part for placing a circular treatment device body; and a treatment device coupling part for inserting the circular treatment device body. The treatment device body comprises: a neck-wearing part put on the neck; a heating part formed inside the neck-wearing part; and a treatment device driving part comprising a light irradiating part.본 발명은 치료기몸체를 조작하며 거치할 수 있도록 구성된 치료기거치부와, 치료기거치부에 거치되며 사용시 목에 착용하는 치료기몸체로 구성되어 목에 착용 후 온열 및 레이저를 이용하여 갑상선을 치료할 수 있도록 함을 목적으로 한 것으로,상기 치료기거치부는 원형으로 형성된 치료기몸체가 안착되는 안치부와, 원형의 치료기몸체가 끼움되는 치료기결속부로 구성되며, 상기 치료기몸체는 목에 착용할 수 있는 목착용부와, 목착용부 내부에 구성되는 온열부와 광조사부로 구성된 치료기구동부로 구성되는 것이다.