The overall scale of China’s digital economy continues to maintain double-digit growth in 2019. The GDP growth rate of 2019 is higher than 2018. The integration of digital economy and real economy is deepening. The live broadcast economy brake out in an all-round way，and the home-to-home model grow rapidly. The Beijing-Tianjin-Hebei，Yangtze River Delta，Guangdong-Hong Kong-Macao Greater Bay Area，and Chengdu-Chongqing area have become the four core regions of China’s digital economy development. In the field of digital infrastructure，the construction of new infrastructure represented by 5G has become the focus of domestic attention and will usher in a new round of development opportunities. In terms of innovation achievements，both innovation investment and PCT patent application volume maintain growth. At the same time，China’s digital governance has entered a period of standard implementation. Affected by the intensified Sino-US technology competition and the COVID-19 epidemic，the uncertain factors for the future development of China’s digital economy have suddenly increased，and industrial development is facing severe challenges. Under the background of the post-epidemic era，new infrastructure will provide new momentum for the development of the digital economy.