Undergraduate course includes general higher education undergraduate course and adult higher education undergraduate course. Self-taught undergraduate course is a form of adult higher education undergraduate course, so self-taught undergraduate course includes self-taught undergraduate course.

There is no need for an entrance exam.

Other forms of undergraduate courses need to take the joint exam, and self-taught undergraduate courses do not need to pass the joint exam. As long as all subjects in the major are qualified, you can apply for graduation.

The academic system is not fixed.

The academic system of other forms of undergraduate education is fixed, but the academic system of self-taught undergraduate education is not fixed.