To promote regional integration in the Yangtze River Delta, it is necessary to fully understand the impact and challenges of COVID-19 on the regional economy, fully understand that COVID-19 has increased the uncertainty of the international environment, and more importantly, deal with the uncertainty in a global perspective based on domestic conditions. In terms of enhancing the synergy of industrial development, this article puts forward the following three suggestions:It is necessary to deal with the economic downturn with the construction of major projects of traditional infrastructure and new infrastructure. Whenever the economy faces downward pressure, investment has the most direct and fastest effect on economic growth.It is necessary to promote industrial cooperation with the focus on improving the stability and competitiveness of the industrial supply chain. In the face of the complex and changeable development environment at home and abroad, it is particularly important to maintain the stability and competitiveness of the industrial supply chain.It is necessary to guarantee the land use space with the reform of the market-oriented allocation of land elements. The more severe and complex the development environment, the more we must unswervingly accelerate structural reforms.
