General online courses are divided into three categories: lecturing, autonomous learning and collaborative inquiry. Some of them are live classes, that is, she says you can't interrupt when you are listening. These can be played back, and some are taught face to face, that is, you can ask questions through the internet if you don't understand. Linguistics: various foreign languages and some local dialects (for example, Cantonese is an elective course in our school).

Science: major in mathematics, physics, chemistry and biology.

Computer category: computer basics, the use of all kinds of software, programming languages, multimedia design, etc.

Engineering: such as electromechanical engineering, architecture and other engineering and technical majors. Art: Music, dance and fine arts. Sports: all kinds of sports activities, such as basketball and badminton ... education: such as psychology, ideology and politics, college students' love, youth life and so on.