As the COVID-19 swept through the world, suppressing the demand for global industry, production and consumption, resulting in the decline of supply chain efficiency and the rupture of individual supply chains, which has impacted the global market; it has on the other hand lead to the rapid development on the new retail industry with deep integration of online, offline, and logistics services. S&T are now the major driving force to the retail reform, centering on the industry needs and application scenarios, the use of technologies such as 5G, Cloud computing, Big data, Artificial Intelligence, Internet of Things, Blockchain has greatly boosted the digitalization of the retail industry, accelerated the continuous improvement of enterprise data and computing capabilities, so as to promote the accelerated development of the entire retail industry.

Global Science and Technology Innovation Conference were successfully held in Shanghai for three consecutive years in 2017, 2018 and 2019 with great attention and involvement from international community, the Chinese government, domestic and foreign enterprises, and academia. which provides a platform for global S&T innovation policy makers and decision makers to exchange views, policies, strategies, experiences and lessons learned, as well as for demonstrating the latest S&T Innovation technologies, potential markets, investment projects and outstanding achievements on a global scale.