As a teacher, it is essential to have professional knowledge and teaching experience. This paper will introduce you to the four professional tools that teachers must have, so that you can be comfortable in the workplace and become a good teacher and friend of students.

Ontology knowledge

As a teacher, it is very important to master the subject knowledge taught in depth. Only by becoming a leader in the subject field can we teach with peace of mind and provide better educational services for students.

Conditional knowledge

Psychological knowledge, such as pedagogy and psychology, is a necessary conditional knowledge for teachers. They can help teachers better understand students' psychological needs, easily control the classroom atmosphere and connect with students' hearts.

Practical knowledge

The knowledge, ability and behavior norms of classroom situational teaching are necessary practical knowledge for teachers. They can make teachers' teaching more vivid, interesting and efficient, and let students better understand and master what they have learned.

Operational knowledge

Rich teaching experience accumulation is a necessary operating knowledge for teachers. It can make teachers feel at home in the workplace, better cope with various teaching challenges and become mentors for students.