Online education: that is, through online learning, you can arrange your own study time, which is more convenient and free. You don't need to take the national exam, you just need to take the entrance exam you want to enter. At present, there are 68 online education colleges approved by the Ministry of Education. Candidates can check the enrollment brochures of pilot colleges and universities through regular websites such as "Sunshine Enrollment Service Platform for Online Education in Colleges and Universities", the website of Online Education College of pilot colleges and the "China Modern Distance and Continuing Education Network". Online education enrolls students twice a year, in spring and autumn respectively. Please consult the online education college you want to apply for for the specific registration time. Generally, it takes at least 2.5-3 years to get the certificate.

Radio and TV University: Central Radio and TV University and local radio and TV universities at all levels, referred to as "TV University". Generally, there are TV universities in all provinces and cities, and you can go to the local area to understand the specific situation.

All belong to adult education of the same nature. Different schools have different learning methods and teaching plans.