Adult higher education is a degree obtained by taking the adult college entrance examination and then completing graduation. Or passed the college entrance examination and failed, then became an adult.
Of course, general higher education is good. After all, it is a national task, national recruitment.
There are also self-study exams. The academic qualifications obtained by the self-study exam are also recognized by the state. Because the pass rate of self-taught examination is very low, this self-taught diploma is still very "hard" to some extent.