Online education is one of the qualifications for adult education. It refers to the teaching mode using TV, Internet and other media, which breaks through the boundaries of time and space and is different from the traditional teaching mode of staying in school. Students who use this teaching mode are usually amateurs. Because you don't need to go to a specific place to attend classes, you can attend classes anytime and anywhere. Students can also learn from each other through various channels, such as TV broadcast, internet, special counseling hotline, class research club and face-to-face teaching (correspondence). It is a new concept after modern information technology is applied to education, that is, education by using network technology and environment. Enrollment targets are not limited by age and previous academic qualifications, which provides opportunities for people who have entered the society to improve their academic qualifications.

On-the-job postgraduate is a type of postgraduate education in which part-time work and part-time study are carried out in schools as on-the-job personnel. In terms of registration, examination requirements and admission methods, different types are different.