This frequency therapy device 10 is characterized by comprising a main device part 20 for passing a current corresponding to a predetermined voltage waveform between a pair of electrode pads 12, 12, and a waveform memory 22 provided therein and storing a plurality of voltage waveforms at different frequencies, and in that: the frequency therapy device 10 is configured so that the waveform memory 22 stores the waveforms in any of N waveform storage regions 22-1 to 22-N for each of N frequencies as waveform data comprising a square wave with a sampling frequency of 192 kHz or more and a number of quantization bits of 24 or more, the waveform data is read from the waveform memory 22 for each frequency, the waveform data is converted to an analog waveform by a D/A converter 24 during a preset time, and a current corresponding to the voltage waveform is passed between the electrode pads 12, 12； and the waveform memory 22 repeatedly and successively stores the waveform data for every set time for each frequency.一種週波治療器(10)，其特徵係具有： 本體裝置部(20)，其係於一對的電極墊片(12、12)間流動預定的電壓波形的電流；及 波形記憶體(22)，其係被設於此本體裝置部(20)，記憶有頻率不同的複數的電壓波形， 在波形記憶體(22)中，按N種類的頻率的各頻率，將電壓波形記憶於N種類的波形記憶領域(22-1~22-N)的任一個，作為由取樣頻率為192kHz以上，量子化位元數為24以上的矩形波所成的波形資料， 按每1種類的頻率，從波形記憶體(22)讀出波形資料，在預先被設定的時間的期間，以D/A轉換器(24)來將波形資料變換成類比波形，構成使電壓波形的電流流動於電極墊片(12、12)間， 波形記憶體(22)，係按每1種類的頻率，重複連續性地設定的時間份記憶波形資料。
