Yes, there are two forms of self-study exam. One is self-study, that is, using spare time to study. No need to go to school, no need to register online, no need to buy textbooks, and no need to take the self-study exam. The second is to participate in the study of aid agencies, which is full-time study and requires classes at school. Unified registration by the school to participate in the unified examination of self-taught, self-taught graduation certificate issued after graduation.