This research, with target at the aboriginal residents of Zichean villiage at Taiping City of Taichung County, with primary analysis on the contents of constituting temporary tribes and on the basis of analyzing grouping of social interactions, compared and analyzed various factors in studying the centripetal forces in urban aboriginal communities and the meaning of existence of the tribe with common lives in hope to provide , if possible , concrete references to policy-makers or people who care about the well-beings of aboriginals on the aspect of allocating or building up aboriginal communities in the future.