The rapid development of the digital economy has had a far-reaching impact on all countries' economic and social development, the global governance system, and the civilization progress of mankind. In post-covid era, the digital economy has become a new growth point of the whole economy and the main impetus of economic recovery. Meanwhile, all countries should reach a consensus and jointly deal with great data challenges such as cross-border data flow, open data and intellectual property protection, digital divide, data privacy and data security. This topic will focus on promoting the free flow of global goods, service and technology and enhancing the global economic vitality and industrial innovation ability in several aspects - sciences and technology, economy, trade, cities and sustainable development - in the digital economy era.