Correspondence diploma is well-known in China, so many enterprises know it. However, there is no entry threshold for correspondence diplomas, and exams are easy to pass, so the recognition of enterprises is relatively low.

Network education is a rising star, which is now a national key training project and the future development trend of adult education. Because of its convenient and flexible teaching form, all the teachers in the class are ordinary colleges and universities, but the teaching method is not face-to-face teaching, mainly video teaching. At present, there are 67 national "2 1 1 Project" key universities with online education qualifications, plus 68 Central Radio and TV University. In terms of gold content, online education is higher than correspondence.

Besides ordinary full-time classes, CCTV also has amateur classes. The academic system is two years, and the study time of amateur classes is generally two and a half to three years. The full-time study time is two years.