The Xi Jinping Thought on Diplomacy is a momentous achievement of epoch-making significance in the development of New China's diplomatic theories. It is an important system of thought that is scientific, up to date, advanced and action-oriented. Nowadays, the once-in-a-century pandemic and unprecedented changes are unfolding in parallel and impacting each other, catalyzing evolution of the international configuration of powers. This profoundly attests to Xi Jinping's accurate judgment and insightful idea that the world is undergoing major changes unseen in a century, and stresses the importance and urgency of building a community with a shared future for mankind.