As a teacher in these institutions, he is responsible for teaching students all kinds of subject knowledge or skill training. Institutional teachers have professional educational background and professional knowledge in related fields, and help students improve their academic performance, expand their knowledge or master practical skills through teaching activities. The responsibilities of institutional teachers include preparing lessons, teaching course content, organizing learning activities and evaluating students' academic performance. It plays an important role in educational institutions and has a positive impact on students' learning and development.