On June 28th, 2009, the review meeting of "Technical Specification for Steam Health Room" and "Specification for Key Materials of Steam Health Room" in China led by the Ion Technology Expert Committee of China Private Science and Technology Promotion Association was held in Beijing. The formulation of the two "Specifications" is the first technical specification of the steam room industry in China, which has pioneered the standardization and scientificity of steam rooms. The scope specified in this specification includes the basic indicators and spatial indicators of the steaming room, determines the key indicators such as the negative ion concentration of the steaming room, and makes specific material selection specifications for the key materials of the steaming room.