strong learning ability. Through exercise, they will soon become masters of expression. I think debate is a very good form of self-expression. Elementary school is an important stage. At this time, if the teacher does not provide guidance, the effect will be greatly reduced when it grows up. Debate is a comprehensive form of teaching. Not only let students learn to find information and sort out their ideas, but also let them try to start to persuade others. "Persuasion" is a social skill, and most accomplished people in history are eloquent.