This paper is based on the cases-study conducted by five school teachers, and it is addressed to introduce how these teachers have used the reflection on exploring the multicultural teaching and developing their teaching profession. These 5 school teachers, three were practitioners and two were once supplement teachers in the elementary schools. They were also the research students for the course「multicultural teaching and curriculum development」, which was run by the author to introduce the theories and discussions of multicultural education. The development of teaching profession is based on the awareness of one’s belief, attitude, and value, as well as the critical reflection on the decision and actions taken for teaching. Hence, teachers education programs planned and implemented for developing multicultural teaching should actively provide various opportunities for teachers to reflect on their teaching, and should facilitate them to apply the reflective skills into modifying, preparing and practicing their teaching. The author, as a teacher educator, has not only used the dialogues to help the teachers integrate the knowledge and experience, but also provided the cases-study opportunity to help teachers apply the knowledge into the field. The discussion of this paper was then focused on how the teachers have used the reflective skills to explore the culture teaching in the elementary schools, and to develop their teaching profession.