According to the article, Shanghai, Jiangsu, Zhejiang, Anhui and other provinces recently jointly signed the “Cooperation Agreement on Deepening Business Development Cooperation in the Yangtze River Delta Regional Market” in Beijing. This move is of great significance for relevant regions to work together to promote open up, promote circulation, and form a large market, thereby helping to build a unified national market. According to the cooperation agreement signed this time, the three provinces and one city will focus on cooperation in six areas, including promoting common market rules and systems, joint commercial infrastructure, shared trade circulation systems, win-win cooperation in agricultural product production and marketing, joint promotion of regional cooperation in the supply chain, and joint construction of a market consumption environment. Next, China will further promote the deepening of regional business collaboration, the smooth flow of factors, the improvement of the quality and efficiency of circulation, and economic transformation and upgrading. By promoting the integration of regional markets such as the Yangtze River Delta, China will promote the construction of a unified national market bit by bit.