In 2021，facing the severe situation of the century’s epidemic situation and the changes，the Yangtze River Delta region actively respond to various risks and challenges，and the economic operation recover steadily. The industrial economy recovered rapidly，the pace of investment growth accelerated，economic benefits diverged significantly，and industrial assets accumulated rapidly. From the perspective of the development level of key industries，the computer，communication and other electronic equipment manufacturing industries developed steadily，reversing the downward trend of the previous year，the production of industrial products such as integrated circuits increased significantly；The chemical raw materials and chemical products manufacturing industry has maintained an absolute leading edge；Electrical machinery and equipment manufacturing in all provinces and cities achieved rapid growth；The benefits of the automobile manufacturing industry recovered rapidly，and the output of new energy vehicles nearly doubled. The year 2022 is the year of the 20th National Congress of the Communist Party of China and the first year of comprehensively implementing the spirit of the 14th Provincial Party Congress. The Yangtze River Delta region will stand at a higher starting point to promote high-quality development，cultivate and strengthen advanced manufacturing clusters，and accelerate the formation of a regional trend of industrial chain.