2020 is the closing year of the Industrial Internet Development Action Plan（2018-2020）of the Ministry of Industry and Information Technology，a year of intensifying multi-dimensional internal competition in the industrial internet industry in terms of technology，application，mode，and the core industry is expected to continue to maintain high growth in the next five years. This report compares the development of the global industrial internet industry in 2020，analyzes and studies the current industry development status，industry scale，industry chain situation，technology level and development challenges of the domestic industrial internet，and summarizes the development prospects and development suggestions of China’s industrial internet industry. The analysis shows that in 2020，China’s industrial internet industry is stepping into a remarkable development，with policy support continuously refined，technical application scenarios continuously enriched and the value of new technology applications emerging，and is tackling many challenges in terms of platform，network and information security. Based on the background of the global fourth industrial revolution and the rapid development of 5G，AI and other new generation information technology，the future of China’s industrial internet convergence-driven economic development trend is obvious，and the industry has also shifted from seeking quantity to seek quality，which is conducive to the formation of the bamboo forest effect of industry chain-level convergence multiplier，and new business models and services will further drive the industrial internet to empower the manufacturing industry，jointly build a good industrial ecosystem，and drive the industry-academia-research-use collaborative innovation development.