There are four lines for college teachers: ideological education is the soul, safety and stability is the bottom line, system management is the defense line, study style construction is the main line, and team building is the leader. Teacher, a profession that makes a living by education. This occupation is one of the oldest occupations in human society. In accordance with 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, carry out academic exchanges, improve students' comprehensive practical abilities such as observation, study, memory and cognition, hands-on communication and operation, cultivate students' specialties, and promote morality, intelligence, physique and beauty.