Hydrogen-rich water preparation device and method

The invention relates to the technical field of water processing, and discloses a hydrogen-rich water preparation device and method. The hydrogen-rich water preparation device comprises a water tank,a first tank body, a second tank body, a water pump, a water outlet, a plurality of switch valves and a plurality of pipelines; the water outlet end C of the water tank is respectively connected withthe water inlet ends H of the first tank body and the second tank body; the water inlet end of the water tank is connected with the water outlet ends of the first tank body and the second tank body, the water pump is arranged on a pipeline at the water outlet end c of the water tank, and the water outlet is formed in a pipeline at the water outlet end f of the first tank body; the first tank bodyis further connected to a hydrogen supply device, and the plurality of switch valves are arranged on the pipelines in a one-to-one correspondence mode. The hydrogen-rich water generating device can quickly generate hydrogen-ric