In 2019，global digital enterprises continue to develop rapidly，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 2019. The results show that from the perspective of overall competitiveness，Amazon，Apple and Microsoft are ranked in the top three；from the perspective of scale competitiveness，Amazon，Apple and Microsoft are also ranked in the top three；from the perspective of efficiency competitiveness，Match Group，Qualcomm Inc and Verisign are in the top three；in terms of innovation competitiveness，Samsung，Amazon and Huawei are in the top three；in terms of growth competitiveness，Fiserv Inc，Zoom and Pinduoduo 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 2019. Digital enterprises in the United States rank first in the world in terms of scale，efficiency，innovation，and growth. Japan is the second which is ranked after the United States in the world，but there are also a large number of excellent digital enterprises. China has the third strongest digital enterprises in the world，and the enterprises’ growth competitiveness is particularly prominent.