Learning to be a good teacher must be that scholars emphasize the importance of ontological knowledge to teachers' professional development.

Learning to be a teacher means learning, that is, professional knowledge of related disciplines, that is, ontological knowledge. Ontology knowledge refers to the professional knowledge of the subject, which is the necessary basis for teachers to impart knowledge to students, mainly including the basic knowledge and skills of the subject, the basic theory and subject system of the subject.

Teachers' professional knowledge includes ontological knowledge, which refers to the specific subject knowledge that teachers need to possess. Conditional knowledge, teachers should have psychological knowledge such as pedagogy and psychology. Practical knowledge mainly means that teachers should have the knowledge and ability of classroom situational teaching and related behavior standards. Operational knowledge refers to the accumulation of teaching experience and knowledge for teachers.

"Learning to be a teacher is a good example" is a famous saying from the famous educator Mr. Tao Xingzhi. It means that only when you are upright can you be a teacher. He said that as a qualified teacher, in addition to solid professional knowledge and high cultural level, it is more important to require teachers to have good moral quality.

Ontological knowledge includes the following contents:

Educational scientific knowledge includes the basic knowledge of educational science, such as education and social productive forces, the law of interaction between education and society's politics, economy, culture and human's physical and mental development, the essence, objectives, tasks and contents of education, the ideas and concepts of all-round development of education, educators and educatees, the basic theory of moral education and curriculum theory. ?

teaching implementation process, organizational form, components, teaching principles, modes, methods, means, art, style, teaching inspection and evaluation, etc. It also includes the information and dynamic knowledge of education and teaching reform at home and abroad, for example, the historical evolution, current situation, development trend and the latest achievements of education and teaching reform. ?

especially the innovation of classroom teaching, the guidance of learning methods and the cultivation of learning ability. It also includes educational scientific research knowledge, such as the process, characteristics and types of educational scientific research, the selection of scientific research topics, the preparation of plans, the collection and analysis of data, the selection and application of methods, and the expression of results.