If the post of a public institution is limited to the "first-class catalogue" when applying for the exam, the majors contained in the "second-class catalogue" under the "first-class catalogue" all meet the post requirements; If the position is restricted by the "first-class catalogue" and "second-class catalogue", only the majors under this "second-class catalogue" can meet the job requirements; If the position is limited to "first-level catalogue", "second-level catalogue" and "specific major" at the same time, only the limited "specific major" can meet the job requirements.

Institutions refer to social service organizations organized by state organs or other organizations with the purpose of social welfare and engaged in education, science and technology, culture and health. They are not for profit, but branches of some state institutions. Generally speaking, it refers to social organizations whose direct purpose is to improve social welfare, meet the needs of social culture, education, science and health, and provide various social services. Institutions do not take profit as the direct purpose, and their work achievements and values are not directly expressed or mainly expressed in measurable material or monetary forms. Institutions are relative to enterprise units, which include some units with civil servants and are branches of state institutions. The Regulations on Personnel Management of Public Institutions came into force on July 1 2065438. As a result, the wages of public institutions will be loosened from the system of public institutions, and it is expected to enter a long-term and stable upward channel.