On September 25, 2021, the Center for International Security and Strategy (CISS) of Tsinghua University held a seminar themed “AI and International Security,” convening experts from Tsinghua University, China People’s Liberation Army National Defense University, National University of Defense Technology (NUDT), China Arms Control and Disarmament Association (CACDA), Development Strategy Research Center of China Electronics Technology Group Corporation, and Beijing University of Posts and Telecommunications (BUPT) for an in-depth look at the terminology and scenarios concerning AI and international security. Mme. FU Ying, Chair of CISS, attended the event, which was presided over by Professor ZHU Qichao, Fellow and Deputy Director of the Center for National Defense Technology and Strategic Studies of National University of Defense Technology.