Аннотация:The economic vitality of a city is an important factor in the ranking of a city’s competitiveness. Based on the research of Lou Haimiao, Sun Qiubi and other scholars, this paper selects 10 indicators as indicators of urban economic vitality evaluation, and uses factor analysis to comprehensively evaluate the urban agglomerations in the Yangtze River Economic Zone. Using SPSS software to calculate the ranking of 11 provinces and cities in the Yangtze River Economic Zone, the research shows that the economic vitality of the Yangtze River Economic Zone gradually decreases from east to west. After analyzing the influencing factors of the economic vitality and competitiveness of the urban agglomerations in the Yangtze River Economic Belt through the gray correlation analysis model, the research results show that among the provinces and cities in the Yangtze River Delta Economic Belt, the number of business units has the greatest impact on the economic vitality and competitiveness of the city. Finally, it puts forward economic development suggestions for 11 provinces and cities in the Yangtze River Economic Belt.
