Based on the different requirements for people's ability and quality in different recruitment positions in public institutions, the written examination of public subjects in public institutions can be divided into five categories: comprehensive management (a), social science (b), natural science (c), primary and secondary school teachers (d) and medical and health care (e).
Comprehensive management (Class A) is mainly applicable to posts in public institutions that focus on administration, affairs and business management.
Social science majors (Class B) are mainly suitable for professional and technical posts in humanities and social sciences in public institutions.
Natural science major (Class C) is mainly applicable to technical posts of natural science major in public institutions.
Primary and secondary school teachers (Class D) are mainly suitable for teaching posts in primary and secondary schools, technical secondary schools and other educational institutions.
Medical and health (E) is mainly suitable for professional and technical posts in medical and health institutions.