Abstract: The Sinicization of Marxism is a complex process that integrates theoretical innovation,practical innovation and institutional innovation,and it plays an important role in the process of national rejuvenation.It is specifically manifested in realizing the transmission of the mission of national rejuvenation,stipulating the way to accomplish the mission of national rejuvenation,and establishing the action guide for accomplishing the mission of national rejuvenation in the new era.With the historical leap of the Sinicization of Marxism,the Communist Party of China has promoted the great leap of the Chinese nation from "standing up","getting rich" to "becoming strong",and has fundamentally stipulated the way to accomplish the historical mission of national rejuvenation.It is an overall system including forging leadership,opening up the right path,developing scientific theory and constructing an effective system.In the new era,Xi Jinping's thought of socialism with Chinese characteristics in the new era,as a new expression of the historical mission of Sinicization of Marxism,provides value guidance,thinking guidance and practical direction for accomplishing the mission of national rejuvenation,thus it is an action guide to realize the great rejuvenation of the Chinese nation.

Key words: Sinicization of Marxism, national rejuvenation, Communist Party of China, Xi Jinping's thought of socialism with Chinese characteristics in the new era