Teachers' belief system treats occupations, professional behaviors and work results according to their own and social needs, which is stable, universal and dynamic. It is also the crystallization of professional experience and professional feelings. It is suggested that people in the workplace constantly correct themselves, improve themselves and establish correct professional values.

The role of preschool education:

1. Pre-school education can train students to become independent people, no longer rely on the protection of their parents, and let them learn to be independent. Students aged three to seven are in the process of personality development. Only by receiving orthodox preschool education can they be trained to establish a sound personality.

2. Preschool education can cultivate students' enthusiasm for learning in early childhood, educate students in time, and lay the foundation for their subsequent primary and secondary education.

3. Preschool education can stimulate students to explore the unknown spirit and ability.

4. Pre-school education can help students develop good life schedule and study habits in early childhood, so that students' enthusiasm for learning is gradually rising and healthy and effective learning methods are cultivated.

Preschool education plays a decisive role in a person's lifelong education. If a student does not receive a good preschool education in early childhood, it will lead to the loss of interest in learning. Therefore, preschool education is very important and plays a decisive role in a person's future.