In order to meet the needs of large-scale training of cadres in the new period and greatly improve the quality of cadres, since the reform and opening up, a large number of cadre colleges have been established in party schools at or above the county level. Among them, cadre colleges can be divided into three categories, one is the National Cadre College. There are more than 3,200 party schools at all levels, including China Pudong Cadre College, Jinggangshan Cadre College and Yan 'an Cadre College, National Propaganda Cadre College 1, and China Cadre Network College 1. The second is the cadre college undertaken by the department. Including China Malan Cadre College, China Education Cadre Network College, China Environmental Management College, China Civil Aviation Management Cadre College, China Meteorological Bureau Meteorological Cadre Training College-,China Tourism Management Cadre College, China Insurance Management Cadre College, China Customs Management Cadre College, China Petroleum Beijing Petroleum Management Cadre College, Shanghai Youth Management Cadre College, Central Cultural Management Cadre College, Ministry of Agriculture Management Cadre College, China National Management Cadre College, State Forestry Administration Management Cadre College, China Light Industry Management Cadre College, Nanjing Population Management Cadre College. Third, all kinds of cadre schools organized by various fronts, such as financial cadre schools, supply and marketing colleges, and bank cadre schools, also belong to the nature of cadre colleges.