Improve teachers' teaching ability, knowledge structure and professional skills. There are many different forms of teacher training, depending on the curriculum and teaching content. Generally speaking, refresher courses include seminars, lectures, workshops, social practice, e-learning, online discussions or exchanges. Teachers' further education school is an institution that provides training and professional learning for teachers, aiming at improving teachers' ability through teaching ability, knowledge structure and professional skills. The common activities of teachers' training schools include: new technology training, comprehensive reform practice research, multimedia education, lectures by famous teachers, etc.