The development and application of digital technology promote the continuous transformation of production and trade methods, and drive global digital trade into a new stage of development. Digital technology and digital trade are reshaping the competitive landscape of international trade, and China and the U.S., as major digital trade and digital economy powers, will compete extensively and fiercely for new competitive advantages in international trade in the future. In view of this, this paper makes an overall analysis of the characteristics of the new development stage of global digital trade, analyzes the competition pattern of Sino-US digital trade from multiple perspectives, and explores the gap in the development of digital trade between China and the US in depth. And on this basis, This paper puts forward some specific response strategies for China's digital trade development from the following aspects: strengthening the integration of digital trade and industry, tapping the potential of digital trade development, deepening the application of new generation digital technology, strengthening the digital trade ecological network, comprehensively improving digital governance capacity, deepening international exchanges and cooperation, etc.