Automatic steam curling iron

The utility model discloses an automatic steam curling iron which comprises a shell, a heating body, a seat body and a water tank capable of being pinched and pressed. A water flow channel extending up and down is arranged in the shell, a heat conduction wire is arranged in the water flow channel, a plurality of air outlet holes which are vertically distributed at intervals are formed in the outer side face of the shell, and each air outlet hole is communicated with the water flow channel; the heating body is arranged in the shell; the seat body is fixed at the bottom end of the shell; the water tank is fixed to the top end of the shell, a water storage cavity is formed in the water tank, an extrusion hole is formed in the bottom of the water tank and communicated between the water storage cavity and the water flow channel, and the heat conduction wire extends into the extrusion hole. Heat is transferred to the water tank through the heat conducting wire to boil water, steam is generated, the air pressure of