Higher education press. The national excellent course is a model course with the characteristics of first-class teachers, first-class teaching contents, first-class teaching methods, first-class teaching materials and first-class teaching management. Since 20 12, Higher Education Press has upgraded the original state-level excellent courses to excellent resources, and changed the original state-level excellent courses from serving college teachers to serving college teachers, students and social learners, with the goal of improving teaching and learning effects, through the unified platform "Love Class Network".