NOVELTY - The electrolytic hydrogenated water production apparatus has electrolytic bath (3) having electrodes (1,2), hydrogenated water producing unit, and power supply unit (7). An electroconductive material of electrode is titanium, and platinum or metal which carry out plating in anode and cathode. Area of titanium exposure portion (8) and platinum-metal plated portion (18) depends on electric current consumed for titanium elution.    USE - Used for producing electrolytic hydrogenated water.    ADVANTAGE - The electrolytic-type hydrogenated water production apparatus is simple, compact and inexpensively and continuously produces hydrogenated water. The proliferation of bacteria and organic pollutant material in tap water is suppressed by activated carbon block in filtration unit.    DETAILED DESCRIPTION - The electrolytic-type hydrogenated water production apparatus comprises an electrolytic bath (3) having pair of electrodes (1,2) comprising an electroconductive material, hydrogenated water producing unit connected with the electrolytic bath, and a power supply unit (7) having a timer circuit (11) to control electric-power feeding time, and constant-current control function. The electroconductive material does not easily receive change in electrical property by oxidation reaction, and is titanium which carries out platinum-metal plating in the cathode, and platinum or metal which carries out platinum-metal plating in the anode, through a feed pipe directly coupled with a tap (12). The hydrogenated water-producing unit comprises a filtration unit (6) having activated carbon block (4) obtained by molding active charcoal powder into hollow column shape using binder, such as polyethylene. The power supply unit supplies electric power to the electrode pair in direct current voltage for electrolyzing tap water. The non-plated titanium exposure portion is provided at the cathode surface. The area of titanium exposure portion (8) of cathode and platinum-metal plated portion (18) depends on the ratio of electrolytic current and electric current consumed for titanium elution.    DESCRIPTION OF DRAWING(S) - The figure shows the structure of the electrolytic-type hydrogenated water production apparatus.(Drawing includes non-English language text).    electrodes (1,2)    electrolytic bath (3)    activated carbon block (4)    filtration unit (6)    power supply unit (7)    titanium exposure portion (8)    timer circuit (11)    platinum metal-plated portion (18)