Problem to be solved: to provide a radio frequency thermal treatment apparatus and a remote management system in which a maintenance agent or the like can be controlled remotely by an apparatus.A high frequency thermal therapy apparatus 1 comprises a pair of disk electrodes 37 and 47 opposed to each other with a diseased portion 101 of a patient 100, and a high frequency power is applied between a pair of electrodes by oscillating a high frequency and is applied to a device for thermal treatment of the affected part by dielectric heating An abnormality detecting section (control circuits 55, S2 and S5) for detecting an abnormality in the apparatus 1 and a notification section (communication circuit 55, communication circuit 59) for reporting information about abnormality detected by the abnormality detecting section to the outside via a communication line intIt is provided with S6.Diagram【課題】装置の異常をメンテナンス業者等が遠隔で管理可能とする高周波温熱治療装置及びその遠隔管理システムを提供する。【解決手段】高周波温熱治療装置1は、患者100の患部101を挟んで対向する一対の円盤電極37,47を備え、高周波を発振して一対の電極間に高周波電力を印加し、誘電加熱によって患部を温熱治療する装置において、装置1内の異常を検知する異常検知部(制御回路55,S2,S5)と、異常検知部によって検知された異常に関する情報を、通信回線INTを介して外部へ通報する通報部(制御回路55,通信回路59,S6)と、を備えている。【選択図】図4