Water ionizer capable of automatically identifying water quality

The invention discloses a water ionizer capable of automatically identifying water quality. The water ionizer comprises a water channel, a water flow rate detection device, a controller, an electrolysis power supply, an electrolysis device, a water quality TDS and pH value detection device, a water quality pH value detector and a display screen, wherein the water flow rate detection device is used for detecting the flow rate of entering water and generating a corresponding flow rate value; the water quality TDS and pH value detection device is used for detecting the TDS value and the pH value of the entering water; the controller is used for controlling the electrolysis power supply to provide corresponding electrolysis power to the electrolysis device according to the flow rate value, the TDS value and the pH value of the entering water; the electrolysis device is used for carrying out corresponding electrolysis treatment on the entering water according to the electrolysis power of the electrolysis power supply; the water quality pH value detector is used for detecting the pH value of discharged water; the controller is electrically connected with the water quality pH value detector and the display screen; and the controller is also used for displaying the pH value of the discharged water through the display screen. According to the water ionizer, the corresponding electrolysis power can be provided to the electrolysis device according to the locally used actual water quality, so as to obtain the optical brine electrolysis.