Abstract:In moral education, teachers often choose to do what, decide how to do for students, and finally evaluate the results. Those who should not be doing hinder the growth of students, contribute to the formalist style in the moral education. The reason is that teachers teach all and use a rational approach to teach all, which is a big mistake.The logic of education, moral education, the teachers and students call for teachers "don’t do". "Don’t do" should be no interference, intervention, damage, interruption of the students physical and mental development law, which is a positive "don't do", rather than inaction, and no action.