On June 25-27, 2019, Professor CAI Cuihong attended 2019 BRICS THINK TANK INTERNATIONAL SYMPOSIUM: GLOBAL GOVERNANCA AND MULTILATERALISM which was hosted by China Council for BRICS Think-tank Cooperation and co-organized by Beijing International Studies University, China Academy of Belt and Road Initiative and Beijing Key Laboratory of B&R’s Data Analysis and Decision Support. Prof. CAI gave a talk on " BRICS Countries’ Participation in Cyber Governance in the Backdrop of New Industrial Revolution: A Case Study of 5G” in the Session “The BRICS countries act in the new fields of global governance such as S&T and cyberspace in the context of the new industrial revolution.”