In 2021，China’s promotion of “5G+ Industrial Internet” has achieved initial results，with the platform construction showing a momentum of vigorous development，increasing security assurance，and a significant increase in the scale of non-listed investment and financing. In the future，favorable policies will continue to promote the rapid development of the industry，and the three major systems of network，platform and security will continue to improve. It is suggested to fully exploit the value of enterprise data，improve the supporting mechanism of middle and small-sized enterprises，and strengthen the macro-guidance of industry-finance cooperation.