There are a wide range of groups taking the self-study exam, including workers, farmers, administrative personnel, ethnic minorities, PLA, armed police officers and soldiers, public security personnel, disabled people, prisoners and so on.
Self-taught examination has the advantages of flexible learning style, small contradiction between work and study, low cost, "lenient entry and strict exit" and "separation of teaching and examination (that is, separation of proposition and guidance)". All citizens of People's Republic of China (PRC) (China), regardless of gender, age, nationality, race and education level, can take the self-study exam.