On August 17，2021，the Central Finance and Economics Work Conference made arrangements on the issue of common prosperity，and proposed the establishment of basic institutional arrangements for the coordination of primary distribution，redistribution，and three-time distribution. Therefore，this article has made further progress on the income distribution indicator system for 2019. Perfect. The five indicators of primary distribution efficiency，redistribution efficiency，primary distribution fairness，redistribution fairness，and other distribution fairness are selected in the indicator system. A total of 16 measurement indicators have been screened，and the income distribution index of 110 cities in the Yangtze River Economic Belt has been selected. Analysis and evaluation. From 2018 to 2019，the results of the initial distribution of income for 110 cities in the Yangtze River Economic Belt show that there are still many areas that need improvement in the Yangtze River Economic Belt to improve the income distribution system. In the future，the coordinated development mechanism of the Yangtze River Economic Belt will be further deepened. Broaden the source of property income of rural households，promote the fairness of income distribution in the eastern region，and give full play to the regulating role of the three-time distribution.