Teachers' "three hearts" refer to sincerity, dedication and kindness; "Four haves" means having ideals and beliefs, moral sentiments, solid knowledge and kindness; "Six Essentials" means "strong politics, deep feelings, new thinking, wide vision, strict self-discipline and positive personality". This is the slogan first put forward by schools in Handan City, Hebei Province, and it is a requirement for teachers' moral behavior.

Teacher, a profession that makes a living by education. This occupation is one of the oldest occupations in human society. According to laws, regulations and industry norms, students are arranged to sit down, distribute study materials, prepare lessons and give lectures, correct homework, guide and help students to study, organize lectures and practice, organize examinations, impart basic knowledge of science and culture, conduct academic exchanges, and improve students' comprehensive practical abilities such as observation and learning, memory and cognition, hands-on communication and operation.

Teachers can cultivate students' special skills, promote the all-round development of morality, intelligence, physique, beauty and labor, and master experience and technology. Entrusted by the society, he carries out special and constructive education for the educated, implements various educational policies, maintains social stability, and trains all kinds of high-quality or practical talents for the country and society. In social development, teachers are the inheritors and disseminators of human culture and scientific knowledge. For students, it is also the developer of students' intelligence and the shaper of their personality.

People give people's teachers the lofty title of "engineer of human soul". In the process of education, teachers play a leading role. He is an educator, leader and organizer of students' physical and mental development. The quality of teachers' work is related to the physical and mental development level of the younger generation and the improvement of national quality, thus affecting the rise and fall of the country.