The competitiveness of a country’s digital economy depends on the competitiveness and interaction of digital infrastructure，digital industry，digital innovation and digital governance. In the current global digital economic development pattern，the United States is in an absolute dominant position，and there is a significant gap between other countries and the United States；China’s digital industry has a strong momentum，and its competitiveness ranks at the world’s top position. In addition，the ranking of the competitiveness of the digital economy varies dramatically，indicating that in the field of digital economy. There is a fierce competition among countries. From the regional characteristics of the global digital economy，Asian and European countries have strong competitiveness in the digital economy，while African and South American countries lag behind in the development of digital economy. A country’s digital economy needs a good social governance environment and supporting digital infrastructure as a basis for rapid and healthy development. This report also makes an in-depth analysis of the ranking and internal structure of the competitiveness indicators of the digital economy.