First, the guiding ideology of childhood is the best time of a person's life, "grow up" is the common aspiration of the children. In the process of growth, children will experience many things, is facing various challenges, assume the responsibility of large and small, taste sweet and sour taste, need special nourishment and care., both concerned with the psychological needs of students, but also stimulate interest and enthusiasm of students in the practical ability of students and security education, training students in critical thinking and creative thinking.