Abstract: Green culture, the coevolution of human and nature, consists of sustainable agriculture and forestry and all other green industries not to harme the environment. Based on the investigations of cultural ecology in Xishuangbanna and from the viewpoint of green culture, the practical activities, daily customs, and traditional religious culture of minority nationalities were analyzed to find the ethnic source and traditions for the sustainable development and natural resources conservation.

Key words: Green culture, Sustainable development, Xishuangbanna, phytolith, parent rock, Si, Moso bamboo, phytolith-occluded carbon (PhytOC)