The mountain environment is the combination system of the natural geography, biology, humanities, economy and technology. Changing any one of these factors has impact on the overall environment. Therefore, mountain building should require more on the ecological awareness. Traditional houses are affected by the local economy, resources, climate, technology and other factors. And the naturally formed passive ecological concept fit well with the low cost, low technology, low energy consumption, low pollution and ecological design principles that the international community have advocated. This paper puts forward the mountain building passive ecological strategy and design method through collecting, sorting and analyzing the eco-building experience of traditional houses in the Miao nationality villages in Guizhou province. It expects to offer some enlightenment of creating geographical environment friendly, low-tech, modern ecological buildings.