Promoting the high-quality integrated development of the Yangtze River Delta with market integration as the core will help to form a unified regional market and then form a unified national market through mutual opening of regions. Also, it will help form super-large-scale market and transform the economic globalization model, build a new economic globalization model based on domestic demand, and then promote China's economic transformation and help China enter the track of high-quality development. The regional integrated development of the Yangtze River Delta is not only a regional economic development issue, but also a strategic choice related to the overall situation of China's economy. The key is to use competition policy as the institutional cornerstone to promote the integrated development of the Yangtze River Delta market.
