In 2019，the added value of Chinese digital economy reached 35.8 trillion，accounting for 36.2% of GDP. The added value of the digital economy of Jiangsu，Zhejiang，Shanghai，Hubei and Sichuan in Yangtze River Economic Belt exceeded 1 trillion. The digital economy of Shanghai accounted for more than 50% of GDP. And in 2019，the digital industrialization in the Yangtze River Economic Belt has also further developed，and the scale of electronic information manufacturing accounted for 50% of the whole country. Anhui Province’s “computer，communications and other electronic equipment manufacturing industry” increased by 21.1% which was the most significant growth rate in Yangtze River Economic Belt. The number of enterprises and income of industry from software industry and information technology service industry in the Yangtze River Economic Belt both exceeded 40% of the country. Jiangsu Province continued to lead the development of digital industrialization across the country，with the added value exceeding 1.5 trillion yuan. At the same time，the digitalization of the industry in the Yangtze River Economic has also developed rapidly in 2019. The average value-added scale of industry digitalization in Jiangsu and Zhejiang have exceeded 20，000 trillion. Looking forward to 2020，the digital infrastructure in the Yangtze River Economic will be further improved，and the overall development speed of the digital economy will be improved；the trend of industrial integration will also be further revealed.