1. Innovation of educational ideas and methods: The primary and secondary school teachers trained by these universities are usually trained in advanced educational ideas and methods. They may pay more attention to students' subjectivity and ability training, and emphasize students' creativity, critical thinking and problem-solving ability. They can adopt a variety of teaching methods, provide practical and experiential learning, and stimulate students' interest and motivation.

2. Specialization of subject knowledge: Primary and secondary school teachers trained by first-class universities such as Tsinghua, Peking University and Fudan University often have profound knowledge reserves and professional qualities. They may have unique insights and research results in their respective disciplines, and they can impart more in-depth and cutting-edge knowledge to students. This will help to improve students' understanding and interest in the subject and improve their academic performance and ability.

3. Construction of teaching staff: The primary and secondary school teachers trained by these universities usually have high educational literacy and professional ethics, and they often have high educational research and practical ability. They will inject fresh blood into primary and secondary school teachers and promote the development and progress of the whole industry. They can promote teachers' professional development and improve their professional level and social status through educational research, textbook compilation and educational management.

The primary and secondary school teachers trained by the resumption of diplomatic relations in northern Qing Dynasty have the following advantages.

1, high academic level: the primary and secondary school teachers trained by these universities usually have high academic literacy and professional ability. They have a comprehensive understanding of the knowledge system through in-depth study and research of their own disciplines.

2. Advanced educational ideas: The educational ideas and methods accepted by primary and secondary school teachers trained by the resumption of diplomatic relations between Qing and North China are usually advanced. They pay attention to cultivating students' creativity, critical thinking and problem-solving ability, and emphasize students' subjectivity and initiative.

3. Rich teaching resources: These universities have rich teaching resources, including excellent teachers, libraries, laboratories and other teaching facilities.