On April 7, 2021,CACDA hosted the 4^th Trilateral Dialogue on Regional Stability and Nuclear Risk Reduction in Northeast Asia with Center for Energy and Security Studies of Russia and Pacific Forum of the U.S. More than 20 scholars and experts from China, US and Russia attended the meeting and had in-depth discussions on the current situation of the Korean Peninsula. CACDA Secretary General Li Chijiang chaired the meeting. Participants included experts and scholars from China Institutes of Contemporary International Relations, China Institute of Nuclear Industry Strategy (CINIS), Strategic Research Center of China Academy of Engineering Physics, Tsinghua University and Peking University ,etc.