The purpose of the study is to grasp how degree of the conflict and what contents of that divided into the types, which the Preservice Teachers in Early Childhood Education Feel in the Course of the Student Teaching. The summary of the conclusions of this study are following ;First, it showed that the Preservice Teachers irly Childhood Education feel the common degree of the conflicts on the whole in the course of the Student Teaching. Among them, it showed that the conflict with teachers themselves and the conflict with the children are the highest, the conflict with the institution and the conflict with the supervising teacher are the next, and the conflict with the colleagues is the lowest.Second, it showed that they feel the conflict comparatively so much with the low social position against the teaching profession , insufficiency of confidence as doing the work , insufficiency of confidence in the smooth performance of the practice and the burden in mind by the lack of the preparation for the lesson in terms of the conflict of the teachers themselves that the Preservice Teachers in Early Childhood Education feel in the course of the Student Teaching. In terms of the conflict with the supervising teacher , it showed that they feel the conflict a lot with the lack of the supervising teacher s lesson modeling , the shortage of the general information for the student teaching , and the insufficiency of offering sources for the preparation of the lesson .In terms of the conflict with children that the Preservice Teachers in Early Childhood Education feel, it showed that they felt the conflict comparatively a lot with the difficulty in the children s unexpected reaction , the difficulty in teaching a child who made troubles , and the difficulty in keeping the balance between education and self-control .