Since the reform of the merger of college graduates, it is not as simple as opening a letter of introduction to enter a public institution. More than a decade ago, every year, there was a revitalization plan to recruit staff from public institutions, mainly education and health systems, and all of them were required to work in grassroots towns and villages. Taking the county as the unit, open examination recruitment. In recent years, the Municipal People's Social Security Bureau has taken the lead in openly recruiting staff of public institutions through written examination.