There are various cultures and languages in Taiwan .Nevertheless, the aboriginal languages have been gradually weakend due to the impact of the policy language, since 1945. However, each language in our society should respected. The purposes of this paper are as follows: 1. understand the meaning of multicultural education. 2. discuss the function and planning of language. 3: research the language education in multicultural society. 4. provide the approach of aboriginal language education III Taiwan.