The purpose of this paper is what in the clue examined about a home child care of Japan as for the child-minder in Britain. The process of the preschool-education in Britain and child-minder's meaning was clarified. This, study will examine the state of home childcare in Japan, based on the reformation of childcare system from 1970s through 80s in Britain, especially research and study by the Oxford preschool research group, and will also study with this clue to go on the idea of improvement from the group leader of Oxford, Bruner.