Mirror demonstration means that the teacher's action demonstration is in the same direction as the student's standing posture; There is a mirror in front, and the demonstration given in the mirror is called mirror demonstration; There are mirror demonstrations and back demonstrations when dancing. Mirror demonstration is an action facing the opposite direction, but what you see is the same. The following demonstration is to face the same direction of action and see the same. Actions are just like students' actions in front of a mirror, that is, if the teaching actions are on the left, they should be opposite, but this method is relative to students who are not harmonious and imitative; There are also some positive actions, general actions. As long as you turn your back on the students and face the mirror, students can see positive actions through the mirror.