Chinese State Councilor and Foreign Minister Wang Yi answers questions at a press conference on China's foreign policy and relations on the sidelines of the second session of the 13th National People's Congress in Beijing, capital of China, March 8, 2019. (Xinhua/Shen Bohan)

The establishment of Xi Jinping Thought on Diplomacy as the fundamental guideline for China's diplomatic work is an epoch-making milestone in the diplomatic theory of New China, Chinese State Councilor and Foreign Minister Wang Yi said Friday.