To provide a high-frequency thermal therapy apparatus capable of improving heat dissipation performance of a cooling pad.A high-frequency thermotherapy apparatus 1 includes cooling pads 38 and 48 provided between the disc electrodes 37 and 47 and the living body 100 for accommodating cooling water therein, a tank 71 for storing cooling water, Cooling water supply pipes 81 and 91 for supplying the cooling water in the tank 71 into the cooling pads 38 and 48, cooling water discharge pipes 82 and 92 for discharging the cooling water in the cooling pads 38 and 48 to the tank 71, A pump 80 for circulating the cooling water between the cooling pads 38, 48 and the tank 71 via the water supply pipes 81, 91 and the cooling water discharge pipes 82, 92, and forced cooling water in the cooling pads 38, 48 And a forced water flow generating section 83, 93 for generating a water flow in a similar manner.(FIG.【課題】冷却パッドの放熱性能の向上を図ることができる高周波温熱治療装置を提供する。【解決手段】高周波温熱治療装置1は、各円盤電極37,47と生体100との間に設けられて内部に冷却水を収容する冷却パッド38,48と、冷却水を貯留するタンク71と、タンク71内の冷却水を冷却パッド38,48内へ供給する冷却水供給管81,91と、冷却パッド38,48内の冷却水をタンク71へ排出する冷却水排出管82,92と、冷却水供給管81,91と冷却水排出管82,92とを介して冷却パッド38,48とタンク71との間で冷却水を循環させるポンプ80と、冷却パッド38,48内の冷却水に強制的に水流を発生させる強制水流発生部83,93と、を備えている。【選択図】図4