Being admitted to colleges and universities through the national unified adult college entrance examination and issuing admission notices belong to the national education series. The state recognizes academic qualifications, participates in the national unified adult college entrance examination, and all provinces and regions organize admission in a unified manner.

Compared with distance education by correspondence, it has more obvious advantages. It is an educational method that is compatible with traditional teaching forms such as face-to-face, correspondence and self-study, and optimizes the combination of various media. Distance education is more flexible and free, there is no class problem, it is suitable for people who are busy with work and want to get academic qualifications, and the pass rate is high. Correspondence should take the joint exam, which is suitable for students who want to improve their ability and learn knowledge. The entrance examination is relatively strict.