A gas mist pressure bath device includes a living-body cover member for covering the living-bodys skin or the mucous membrane and forming a space for sealing the gas mist from the gas mist generating device inside of the living-body cover member, and a pressurizing member integrally formed with the living-body cover member pressurizing the gas mist in the living-body cover member. The pressurizing member is in a form of a ring, a hollow gas collection part, or a shielding film.
