The digital economy is an economic form in which data is used to drive resources into play and promote economic development. It covers many emerging technologies, such as big data, cloud computing, the Internet of Things, blockchain, artificial intelligence and 5G communications. At the application level, the digital economy embodies concepts such as new retail and new manufacturing. By identifying, selecting, filtering, storing and using big data, the digital economy achieves rapid and optimal allocation and regeneration of resources and promotes high-quality development of the economy. It needs to be clear that the digital economy is different from the virtual economy, and it is more similar to the process of combining traditional industries with digital technology to realize industrial intelligence. The development of the digital economy aims to enhance the level of industrial intelligence in order to achieve more efficient and smarter economic operations.