The protagonist of this article is my mother who gave birth to me and educated me for more than forty years. My mother, an Atayal aborigine named YuSi, formed interracial marriage with my father from a Hakka ethnic. The first chapter is an introduction to the narrative of YuSi 's life story. The second chapter presents details of the lives of my mother in an aboriginal living areas. The third to fourth chapters begin to describe the life of my mother in the Hakka community. Chapter V concludes with the mental identity of my mother, and thoughts of the author over these topics. This research narrates the real-life story and to study the plight of interracial marriage and the process of adaptation. The life story of a miniature figure across two ethnicities in the era of 60’s to 70’s. A magnificent life story of a women living under discrimination in the framework of a multicultural class. The protagonist still live up and succeed across the ethnics.