The purpose of this study is to analysis how the teacher`s power/knowledge are revealed and what factors are related in early childhood teachers` practice through early childhood curriculum. For this study, participant observation in daily life of three different kindergartens and in-depth interviews with the teachers were conducted for fifty days. The findings of this study suggest that the teacher`s power/knowledge is realized at such as space, time, play construction in daily activities, forming basic life habit in classroom, living as a group, playing with a right manner. And such a teacher`s power/knowledge is affected by the age of children, teacher`s belief, the circumstance and the policy of the kindergarten, parents` anticipation and social needs.From the results of this study, we conclude that we should consider general and social-cultural conditions adding to the teacher`s power/knowledge in the management of early childhood curriculum.