correspondence
You need to take and pass the national unified adult college entrance examination before you can enter school. During your study, you should give priority to self-study, supplemented by face-to-face teaching (most schools also adopt online teaching). On-site written examination of the final exam, graduation time is later than online education.
online education
You don't have to take the adult college entrance examination, you just need to take the entrance examination (100% admission). After entering school, you can take classes, do homework and take exams online, and your study is not limited by time and space. You can study online.
For the public.
If you don't have a stable weekend (often working overtime, traveling, etc.). ), and you like surfing the internet, you are worried that you will not pass the adult college entrance examination, and you are most afraid of English, so online education will be a suitable choice; If you are unfamiliar with the Internet, like traditional teaching, have regular weekend breaks and want to spend less, then correspondence will be a good choice.