At present, it has entered the era of Industry 4.0 to form a new generation of industrial Internet with big data as the core and IoT, 5G, AI, and cloud computing as the representatives. 

Under the background of Industry 4.0, it is the general trend for enterprises to take advantage of digital transformation. Combined with AI, Internet of Things, cloud computing, big data and other technical applications, the new core competitiveness of enterprises in the digital economy environment will be continuously improved. 

China's digital economy has developed rapidly, from 2.6 trillion in 2005 to 39.2 trillion in 2020, with a CAGR of about 20%; in recent years, the growth rate of the digital economy has slowed down, with a CAGR of about 13% in 2017-2018, and the future development scale And penetration rate still has huge room for improvement.