Changjiang scholars need to publish more than 2-3 papers in national journals. According to relevant public information, the selection of Changjiang scholars generally requires associate professors to serve for more than 5 years. During this period, there must be more than 2-3 papers published in national journals, scientific research projects and achievements at or above the provincial and ministerial levels, textbooks and works officially published by the editor-in-chief or participating countries, more than one master's degree, qualified foreign language examinations and special professional requirements.