The present invention relates to a sliding type themotherapy instrument, and is characterized by comprising: a body (1100) provided with a themotherapy device (1010)； an outer cover (1250) capable of sliding and covering the themotherapy device (1010)； and a guide groove used for ensuring slide on the body (1100). According to the present invention, when the themotherapy instrument is not in use, a lower part bed member can be overlapped with the body through sliding, so as to effectively utilize space； when the themotherapy instrument is in use, the lower part bed member can be expanded easily in a sliding way.
