At the beginning, it was established to solve the problem of academic education and continuing education of on-the-job personnel, and most of the participants were adults. It is an important part of higher education in the national lifelong education system.
The current adult higher education, general higher education and higher education self-study examination are collectively referred to as the national education series higher education approved by the Ministry of Education. Adult college entrance examination is divided into three levels: junior college entrance examination (hereinafter referred to as junior college entrance examination), senior college entrance examination (hereinafter referred to as senior high school entrance examination) and senior high school entrance examination (hereinafter referred to as senior high school entrance examination). After entering the school, the forms of study include correspondence, amateur and full-time study. Mainly the first two forms, only a few adult colleges and universities are full-time study.