The sampling population of the study constrained within Tayal and Tseole spreading over G'saya area, including Bay-a-nu、Ma-lu-wan、Nu-hu-ru-ma、Ma-pi-haw、Me-pu-wan、Ta-la-wan and Su-lu seven tribes located in Tai Ann countryside of Miao-Li County. The research methods concluded Documents Analysis, Photographic Analysis, and Field study. The G'saya traditional crafts was classified into：weaving skill, knitting skill, shaping skill three main categories according to their language, raw materials, tools, manufactured skills。More detail classification was divided into materials, tools, skills, and social cultural context dimensions as a horizontal axis to explore the content of the three traditional crafts, while the historical stage was divided into four ones from Ching Dynasty, Japanese colonial rule, KMT regime, Aborigine' social movement as a vertical axis, according to original inhabitants' policy, ecnomic development, religious belief, to treat of the transitions of three traditional crafts at each stage; namely, the research focused on the influence of different social cultural context on certain traditional crafts from the transition of historical stage and environment.
