Despite the impact of the COVID-19 epidemic in 2020，global digital enterprises still experience rapid development，and many enterprises with excellent competitiveness have emerged. This research continues to pay attention to the development of global digital enterprises. Applying the research methods of the previous year，we have made a new evaluation and ranking about the competitiveness of global digital enterprises in 2020. The results show that from the perspective of overall competitiveness，Microsoft，Apple and Amazon are ranked in the top three；from the perspective of scale competitiveness，Microsoft，Amazon and Apple are also ranked in the top three；from the perspective of efficiency competitiveness，VeriSign，SK telecom and Apple are in the top three；in terms of innovation competitiveness，Samsung，Facebook and Alphabet are in the top three；in terms of growth competitiveness，DoorDash，Fiserv and Coursera are in the top three. The United States，Japan and China continue to be the top three in the competitiveness of world digital enterprises in 2020. Digital enterprises in the United States rank first in the world in terms of scale，efficiency，innovation，and growth. Japan and China are the second which is ranked after the United States in the world，and they also have many outstanding digital companies.