This is a course website for college students' extracurricular self-study. If we don't understand in class, or want to have two classes, then we can go to this website to attend classes. For example, if I want to search for advanced mathematics, then I can search for teachers from Tongji University, National University of Defense Technology, and Xi Jiaotong University to give lectures, or I can search by subject category, which is very convenient.

2. Netease Open Class

Users can watch the wonderful videos of open classes of Harvard University, Khan Academy, TED and other world-class universities and other educational institutions online for free, covering humanities, society, art, science, finance and other fields. Netease open class aims to create an open and free course platform for netizens who love learning, so as to openly recruit part-time subtitle translators. Netease open class translation platform aims at adhering to the spirit of the Internet: openness, equality, cooperation and sharing, so that knowledge has no borders!

3. Li Li Li

For example, Mr. Song Hao and Dr. Monkey, their advanced math classes will definitely interest you and won't fail! There are also various humanities computers and so on, which are of great help to our college students.