The course of college-upgraded library provides a more flexible way of learning, and you can arrange your learning progress according to your time and ability. By participating in the training courses of library courses from university to undergraduate, you can get professional guidance and guidance, and improve the effect of preparing for the exam. Library courses can be upgraded to undergraduate courses through online learning or offline training courses. Online learning can freely arrange the time and place of study according to personal circumstances, and offline training courses can get more interaction and guidance.