PROBLEM TO BE SOLVED: To provide a treatment device for reducing viscosity and oxidation reduction potential of water or beverage by applying high potential high frequency generated by a circuit configuration extremely less in component number and very simple to water or beverage.SOLUTION: There is provided a water or beverage treatment system for providing water or beverage good for body by applying high potential high frequency output current obtained from a circuit constituted by a high voltage power source, a capacitor and a spark discharge gap to water directly or to a coil and reducing viscosity of water or beverage with a magnetic field generated by the coil or reducing oxidation reduction potential.SELECTED DRAWING: Figure 3COPYRIGHT: (C)2018,JPO&INPIT【課題】部品点数が極めて少ない、非常に単純な回路構成によって発生する高電圧高周波を水又は飲料に印加することにより、該水又は飲料の粘性及び酸化還元電位を低下させる処理装置の提供。【解決手段】高電圧電源、コンデンサー、火花放電ギャップによって構成された回路によって得られる高電圧高周波の出力電流を、直接水に通じるか、又はコイルに通して、該コイルが発生する磁場によって水又は飲料の粘性を下げ、或は酸化還元電位を下げ、より体に良い水又は飲料を提供するための水又は飲料処理方式。【選択図】図3