Digital economy is the innovation driving force of China’s high-quality economic development，and Shenzhen is the leading city of digital economy industry development. Through the analysis of the current situation of the development of digital economy industry in Shenzhen，Nanshan District is particularly prominent in cultivating new momentum of China’s digital economy. Artificial intelligence，blockchain and industrial Internet are powerful engines of collaborative innovation. At present，Shenzhen can further promote the development of digital economy industry in the following aspects：promoting the integrated development of real economy and digital economy，promoting the legislation of digital economy in line with China’s national conditions，solving the statistical accounting problems of data production factors，building data trading center and developing cross-border business.