The Yangtze River Delta is one of the most dynamic，open，and innovative regions in China. It is a pioneering area for smart city construction and a base with the advanced manufacturing，and it is taking the lead in the field of the industrial Internet. In mid-July，in order to understand the market opportunities and learn from the Yangtze River Delta’s experience in the development of industrial interconnection，the author went to Shanghai，Hangzhou，Ningbo and other cities for research. Taking into account the situation in Shenzhen，the author proposed the establishment of the China Industrial Interconnection Application （Shenzhen） Research Institute and the building of an industrial Internet town，an industrial Internet demonstration park，and industry-level industrial Internet platforms.