The purpose of this paper is to clarify the Bruner's early childhood education. This paper examined an education theory of Bruner in the change of early education as the clue. In section 1, it clarified about the history of Japanese early education. In section 2, it not only clarified about the hypothesis of Bruner which affected early childhood education, but it clarified about the error with Bruner by hypothetical understanding. A hypothesis of Bruner is "We begin with the hypothesis that subject can be taught effectively in some intellectually honest form to any child at any stage of development." In section 3, it clarified it about an intellectual early childhood education and a relation of Bruner. In section 4, I examined positioning of Bruner's theory in early childhood education.