On June 1, with the theme of “China and Russia: Cooperation in a New Era and Celebration of the 20th Anniversary of the Signing of the China-Russia Treaty of Good-Neighborliness and Friendly Cooperation”, the China-Russia High-Level Think-Tank Forum (2021) was held online and offline in Beijing and Moscow. The unveiling ceremony of the collected works of the celebration of the 20th anniversary of the China-Russia Treaty of Good-Neighborliness and Friendly Cooperation was also held during the forum. Chinese State Councilor and Foreign Minister Wang Yi and Russian Foreign Minister Sergei Lavrov sent video remarks to the forum respectively. Mr. Xie Fuzhan, President of the Chinese Academy of Social Sciences (CASS), and Mr. Igor Ivanov, President of the Russian International Affairs Council attended the opening ceremony and delivered speeches. Amb. Li Huilai, Vice President of the Chinese People’s Institute of Foreign Affairs (CPIFA) attended the forum and participated in the discussion of “China and Russia: Model of New Type of Major-power Relationship”.