Since the 18th CPC National Congress, facing the profound changes in the international situation and the objective requirements of all countries in the world to help each other, the party Central Committee with Comrade Xi Jinping as General Secretary has consistently combined Marxism with Chinese practice, and has not failed to safeguard world peace and promote Common development, promote the building of a new type of international relations centered on 'cooperation and win-win', create a community of human destiny, and submit a 'China plan' that seeks to handle relations between nations and maintain the stable development of the international community. This article explores how to implement the strategy of ruling the country and improve the discourse system of philosophy and social sciences with Chinese characteristics, and form a “Chinese expression” strategy with “high standards”.