The digital economy is in the ascendant and the new digital industrial revolution represented by mass data and artificial intelligence has just began to develop.On the one hand，the development of the digital economy will make the social welfare greatly improved and greatly reducing the human working time and improve human freedom.On the other hand，the digital economy will also increase the differences between human beings，resulting in more severe social stratification.The development of digital economy will also increase the difference between countries.The density of data will lead to industrial convergence and technological progress，which will bring an irreplaceable competitive advantage for the country.This paper will try to analyze the competitiveness of digital industries in various countries based on the digital economic data of various countries，and describe the current development of the global digital industry.