The appeal of sauna is caused by the fact that through that, one can feel Korea’sunique temperament and culture; however, because of its being a public facility and flooding ofbusinesses due to excessive supplies of various additional features such as washing, playing, eating,sleeping and health care functions, issues of social resources and environment come to thefore, so it has reached a situation of red ocean that it is difficult to enter the market anymore. Taking these into account, this study focused on developing a thermal technology and design ofthe housing of an environment-friendly mobile home sauna, making the most use of the sauna’sfundamental purpose and settling it as a tourist product, analyzing the marketing research onthe existing sauna and considering the recent housing trends and lifestyles for a new conceptsauna. Thus, regarding its characteristics and utilization, it was designed smaller than 10 m2 (3pyeong) so that it would be easy to install in any space and convenient to move. It can be installedin separate buildings and rest spaces such as country houses, resorts, pensions, campinggrounds as well as outdoor houses, custom produced for a measure of pyeong that customerswant so as to match up with the Enforcement Ordinance of the Agricultural Land Act in aconcept of the farmer’s hut and kitchen, bathroom and bathroom can be installed inside accordingto an option. In addition, regarding its efficacy, in order to give environment-friendly healingeffects, materials such as Hinoki Cypress, red clay and hardwood charcoal were used, afixed indoor temperature of 70∼100°C was maintained by heating methods such as electromagneticwave free, energy saving and low-power boiler, and it was made to have excellent effectson fatigue recovery, relieving stress, skin care and diet through far-infrared emission.