Teachers as cultural workers are the key to enact multicultural education. By means of literature analysis, the author first discusses the meaning of multicultural education, and illustrates the enlightenment of Freire's critical theory to multicultural-education teacher professional development. Following is the proposed theoretical framework for multicultural-education teacher professional development of. Taking Freire's perspectives as the core, this framework is an integration of narrative research and action research, which focuses on the life experiences of teachers and the use of dialogue pedagogy as the key strategy.