Abstract: Jidetuncun is a village of Han people who settled in Yunnan with big scale station troops in Ming Dynasty,and has lived there for hundreds of years in the encirclement of the Bai people. As a regional minority, Jidetuncun has based on two factors:common historical memory of ethnic and common identity of territory, and realized self-identity of ethnic by joining feasible primodial identity with visible instrumental benefit, and showed adaptability under background of modernization.

Key words: ethnic, self-identity of ethnic