Digital economy is good. Digital economy is better than international economy and trade because of its wider application. The digital economy is innovative, efficient and sustainable, covering e-commerce, cloud computing, Internet of Things, digital payment and other fields. International economic trade includes the import and export of goods and services, foreign exchange transactions, transnational investment, etc. Digital economy mainly studies the operation law of digital economy, measures the scale of digital economy, and promotes digital industrialization and digital development of industries.