Abstract: From the perspective of Husserl's generative phenomenology, strangeness is a living state of the children who are in kindergartens, which is relative to their daily, familiar and conventional families. It results from the generation gap, namely, differences of rules between adults' and their worlds, which may involve the divergence of time, space and interpersonal rules between the two worlds. As infant educators, we should understand and protect the existence of such strangeness from the ontology, and make it the impetus for the human succession and cultural innovation