Abstract: Cultivating and strengthening the reserve army of high-quality talents is the fundamental guarantee for building a strong country with talents and enhancing the country's economic resilience.By employing the double difference method and constructing a quasi-natural experiment based on theexogenous shock policy of university enrollment expansion in 1999, this paper conducts an empirical study with the result that the scale expansion of high-quality human capital caused by the university enrollment expansion policy can improve the resilience of China's urban economy. The result of the mechanism test shows that the scale expansion of high-quality human capital can enhance the resilience of urban economy by promoting the entrepreneurial vitality of cities, raising the urban wage level, and strengthening the urban informatization level. The heterogeneity test shows that the improvement effect of high-quality human capital on urban economic resilience is more prominent in eastern cities, large-scale cities and cities with high economic development level. Therefore, it is necessary to implement the strategy of strengthening the country through talents and improve the quality of education in the institutions of higher learning; meanwhile, to increase the policy tilt to areas with backward education resources, optimize the fertility subsidy policy, and improve the supporting facilities of the fertility policy; in addition, to accelerate the construction of the policy support system for entrepreneurial cities, so as to enhance the economic resilience of China's cities.

Key words: university enrollment expansion, urban economic resilience, humancapital, entrepreneurial vitality