In kindergarten education activities, in order to support and guide children's full learning and development, teachers need to establish the concept of "children's development-oriented". "Outline" points out: "Be good at discovering the educational value contained in things, games and accidents that children are interested in, seize the opportunity and actively guide". This requires teachers to have an educational art-educational wit. Educational tact is the agility and wisdom that teachers show when they creatively apply psychological principles and teaching rules and deal with accidental events in the teaching process through flexible thinking and decisive decision-making. (remaining 2928 words)