1, Class A is administrative business management positions, including administrative management, administrative law enforcement, administrative business management and comprehensive management. Professional categories include management, economics, finance, science and engineering, military science and so on. (literature, history and philosophy, politics and law, can also be reported).

2. Class B is a professional and technical post in humanities and social sciences, including posts in literature and history, philosophy, social sciences, news communication, culture and art, and requires relevant professional background and skills. Professional categories include literature, history, philosophy, politics and law, art, sports, politics, economy, religion and so on.

3. Class C is a professional technical post in natural science, including mathematics, physics, chemistry, biology, geology, geography, information technology and other posts, and requires relevant professional background and skills. Professional categories include physics, chemistry, earth science, life science, astronomy science, science and technology, agriculture, military science and so on.

4. Class D refers to the teacher positions in primary and secondary schools, technical secondary schools and other educational institutions, including those in kindergartens, primary schools, junior high schools, senior high schools and secondary vocational schools, and requires corresponding teacher qualification certificates and academic background. Professional categories include literature, history, philosophy, politics and law, fine arts, physical education, mathematics, physics and so on.

5. Class E is the professional and technical post of medical and health institutions, including medical treatment, prevention, health care, nursing and pharmacy. , and require the corresponding medical professional background and skills. Specialty: basic medical knowledge, clinical medical knowledge, public health knowledge, medical related knowledge, etc.

Establishment of public institutions:

To create or improve production conditions for the country, enhance social welfare, and meet people's cultural, educational and health needs, the funds are generally compiled by the personnel who use the state's business expenses. Applicable units mainly include: scientific research units, educational units, cultural units, news broadcasting units, health units, sports units, survey and design units, agriculture, forestry, water conservancy and meteorological units, social welfare units, environmental protection units, transportation, urban public utilities and other institutions.

Staff included in the establishment of the unit, the staff salaries and activities of the expenditure channels in addition to the general state expenditure, there are some institutions, take self-supporting, differential subsidies and other measures.