Research on comprehensive evaluation of digital economy development level in typical areas of China

The development of digital economy has become the basic national policy of China. In order to explore its development level, this paper first expounds the research status of digital economy, analyzes the influence mechanism of digital economy, and analyzes the current situation of China's digital economy from the perspectives of digital infrastructure, digital industrialization, industrial digitization, digital innovation ability and digital investment. According to the data of the China Statistical Yearbook 2018, this paper measures and ranks the development of digital economy by principal component analysis. According to the empirical results, it is concluded that the development of digital economy in China is greatly affected by digital infrastructure and digital investment, and the national development level is very uneven. Finally, some suggestions are given.