The utility model discloses an ion steam beautifying device, which is characterized in that a water receiving box and an accommodating body of the water receiving box are arranged on a bottom plate of a casing body, wherein, a water tank is arranged above the accommodating body; the middle part of the water tank is provided with a barrel-shaped water storage chamber, and the rear is provided with a steam chamber; a PTC heater is arranged in the steam chamber, and holes are arranged on the upper and the lower parts of the PTC heater for communicating with the water storage chamber; the front of the water tank is provided with a three-way pipe; an upper pipe of the three-way pipe has a water return hole communicating to a lower pipe; the upper part of the upper pipe is provided with a hose joint; an injection angle adjusting frame composed of a hose, a nozzle holder, a nozzle and a spherical surface frame is connected with the hose joint; the lateral wall of the upper pipe of the three-way pipe is provided with a high-voltage electrode needle which is connected with an ionization circuit; an upper mouth of the water storage chamber is provided with a rotary cap, and the lower part is provided with a lining of the rotary cap; the bottom of the lining has a pressure relief mechanism composed of a spring and a sealing gasket, and the pressure relief mechanism is covered on a gas discharging pipe at the center of the water storage chamber. The utility model has the advantages of small volume and easy use. The utility model not only has the effect of steam beautifying, but also has the advantages of sterilization, dephlogistication, dermatopathy prevention and treatment, adjustment of acid-base scale of skin, and promotion of the regeneration of collagen. The effects of the utility model are more obvious and effective than steam beautifying.