Regional development needs transportation industry. Aviation hub is the physical link connecting all parts of the world in the new era

providing new opportunities for all parts of the world to expand trade import and export and deepen opening-up. Based on the panel data of Yunnan province from 2013 to 2021

this paper adopts the coupling coordination degree method to study the interaction mechanism between Kunming Changshui International Airport and Yunnan regional economic development quality through empirical research. The study found that Changshui Airport greatly had driven the economic growth of Yunnan province before 2019

but after the epidemic

the aviation hub was greatly affected and hindered the regional economic development

and the coordination degree of the two systems was seriously affected.