Portable ozone water spraying device

The portable ozone water spraying device comprises a shell, a storage battery and an electrode group, a sealing end plate is mounted in the shell, a water storage bin is mounted at the upper end of the sealing end plate, a circuit bin is formed at the lower end of the sealing end plate, a liquid supplementing opening is formed in one side of the water storage bin, a water plug is arranged at the liquid supplementing opening, and a liquid outlet channel is formed at the upper end of the water storage bin; an ozone water outlet matched with the liquid outlet channel is formed in the top of the shell, a spraying device is installed at the ozone water outlet, a nozzle is fixed to the upper end of the spraying device, an electrode set is installed at the lower end in the water storage bin, and an anode connector and a cathode connector of the electrode set extend into the circuit bin; the storage battery is electrically connected with a control circuit board and a USB charging port, and an anode connector and a ca