Gas mist pressure bath method and a gas mist pressure bath system

It provides a gas mist pressure bath method and the gas mist pressure bath system to improve the absorption efficiency of the gas mist from the living body's skin and mucous membranes. And a second covering 55 to be substantially sealed internal arranged outside the first cover 51, enclosing gas mist and the gas supplied from the gas mist generating means 30 covering the living body skin and mucous membranes in the inner space the living-body cover member 50 for forming the a first step of supplying the gas mist and the gas for a predetermined time in at least a first cover 51, either the first cover 51 and second cover 55, or both from a second step of discharging the gas mist and gas, the first cover 51 and second cover 55 to extend from the gas mist generating means 30 for a predetermined time to supply the gas mist and the gas, in at least the second cover 55 comprising a third step of the pressure in a predetermined range, and repeated throughout the first to third steps plural times.