② On-the-job training for teachers. Take the credit system as an example. Take credit for studying in university during holidays, and take credit for studying in various places at ordinary times. It is required to complete 120 credits. Upon graduation, you can get a master of arts, a master of science or a master of education management according to the requirements of students.
③ Doctor class. It is mainly educational research, which can be studied at home and completed in three years, mainly by mail.