In order to meet the market demand, the enrollment scale of colleges and universities is constantly expanding. In recent years, the number of workers with higher education has increased rapidly. The statistical data of the labor market also reflects the influence of a person's education level or educational background on his salary and income level. Wage income is considered as a reflection of educational investment income.

From 2007 to 20 17, China's government expenditure on education increased from 7 122 billion yuan to 30 153 billion yuan. The growth rate of education expenditure was higher than that of GDP, and the proportion of education expenditure in GDP increased from 2.63% to 3.68%.

The proportion of education expenditure in government fiscal expenditure fluctuates between 15%. The proportion of local fiscal expenditure on education in general local fiscal expenditure is higher than 15%, accounting for about 95% of government fiscal expenditure, which is the most important source of funds for government fiscal expenditure on education.

From 2004 to 20 17, the number of college students in China increased from 4.47 million to 76 10000, among which the number of undergraduates has exceeded that of junior college students. The rapid growth of graduate enrollment has also driven the rapid growth of graduate enrollment. It can be seen from the changing trend of enrollment that China's higher education is developing towards a more comprehensive talent training model.