1. Rich curriculum resources: The online courses of library courses from university to undergraduate provide courses covering all examination subjects in universities, including Chinese, history, English, mathematics and other elective courses. The course adopts a systematic learning system with rich and comprehensive contents.

2. Perfect evaluation mechanism: The library course is upgraded to an online course for undergraduates, providing quizzes at the end of each chapter, classroom evaluation at the end of each class and simulation test of each unit, which can comprehensively check students' learning mastery, correct learning misunderstandings in time, and help to improve the pertinence and effect of learning.