In 2 1 century, the number of students in higher education increased greatly, and the gross enrollment rate increased year by year, reaching 15% in 2002. China's higher education has officially gone from elite to mass. In 20 12, the Ministry of Education issued "Several Opinions on Improving the Quality of Higher Education in an All-round Way", which clearly stated that the undergraduate enrollment scale of public universities remained relatively stable, and China's higher education entered the stage of connotative development, with the focus on optimizing the hierarchical structure and improving the quality of education. In 20 19, China built the largest higher education system in the world, and the gross enrollment rate exceeded 50% for the first time, reaching 54.4%, which marked the popularization of higher education in China.