This study for an Elementary School in indigenous regions with the multiple methods of interview, documentary analysis, and the notes of reflect, after the teachers’ workshop about the multiculturalism blend into the formal curriculum. After discussion within it, we arrive at the following conclusions. First, Teachers would ignore the cultural values of children, and brought negative effects to children study achievements, if they were unfamiliar to multicultural education. Second, Even the ‘Education Act for Indigenous Peoples’ was fair and justice, the educational management governments didn’t give great care on the Elementary Schools to implement the policy, and caused indigenous students felt difficult when they learning. Third, Part of the teachers had grown the multicultural accomplishment after the period of training course of the multiculturalism blend into the formal curriculum.