The book discusses that Shenzhen fully relies on its own to promote the Guangdong-Hong Kong-Macao Greater Bay Area, the pilot demonstration zone of socialism with Chinese characteristics and the location advantages of the special economic zone, continuously optimizes the development environment of the digital economy and the support system of policies and regulations, and further promotes the construction of digital transformation and digital infrastructure. It has cultivated high-quality digital economy industries with core competitiveness and a number of representative digital economy and high-tech enterprises and achieved fruitful results in the development of digital economy.