Gas-water separation device of hydrogen-rich water machine

The utility model discloses a hydrogen-rich water machine gas-water separation device which comprises a water tank, an electrolysis device, a separator and a drain valve, the lower surface of the water tank is provided with a water outlet and a water return port, the water outlet and the water return port are connected with the electrolysis device through first water pipes, the water inlet end is connected with the water outlet through a first water pipe, and the water return end is connected with the water outlet through a second water pipe. A hydrogen outlet is formed in the side edge of the electrolysis device, an air inlet pipe is arranged outside the hydrogen outlet, an air inlet, an air outlet and a water outlet are formed in the separator, the air inlet pipe is connected with the air inlet, the air outlet is connected with the air outlet pipe, the water outlet is connected with a water drainage valve, and the output end of the water drainage valve is connected with a water drainage pipe; the water tank