New quality productivity embodies high technology,high level,high efficiency,high quality,and high-order characteristics in terms of element structure,supporting carriers,functional mechanisms,and forms.Cities are important spaces for population,sources of innovative activities,and vital engines for economic development.The high-quality development of cities is of paramount importance for high-quality economic and social development.It empowers cities with high technology to lead the gathering of new elements;with high-level support to guide the optimization of urban industrial structure;with efficient transformation to steer the conversion of urban dynamics;and with high-order transition to lead the upgrading of urban forms.Currently,the high-quality development of cities in China still faces practical challenges such as power transformation,industrial support,quality improvement,and morphological transition.In comprehensively promoting the modernization of Chinese cities,it is essential to adhere to innovation-driven development,shaping new dynamics,solidify the new foundation for high-quality development of cities;deepen reforms comprehensively,establish new mechanisms;promote the synergy of"Four Modernizations",and innovate new models.