Educational ideas and teaching methods: Teacher training should help teachers master the latest educational ideas and methods to adapt to the ever-changing educational environment. Training can include a variety of teaching methods, such as case teaching, inquiry teaching and project teaching.

Subject knowledge and skills: Teacher training should provide training in subject knowledge and skills to help teachers better understand and teach students. This includes the training of the basic concepts, historical background, development trend and teaching strategies of the subject.

Classroom management and student guidance: Teachers need to master effective classroom management skills and student guidance methods. Training can include how to make classroom rules, how to deal with students' problems and how to help students establish good study habits.

Educational technology and innovation: With the continuous development of science and technology, teachers need to master how to use educational technology tools and innovate teaching methods. Training can include the application of various educational technologies, how to design online courses and how to communicate with students through social media.

Teachers' morality and professionalism: As role models for students, teachers need to have good morality and professionalism. Training can include how to establish a good relationship between teachers and students, how to improve teachers' self-awareness and career planning, and how to deal with ethical and legal issues in education.

In a word, the content of teacher training should be comprehensive, aiming at improving teachers' educational level and professional quality, so as to better serve students and education.