Abstract: The CPC has made outstanding contributions to the great achievements of China's revolution, construction and reform by adhering to great unity and unity in the centennial course of leading the united front. During this period, historical experience has been formed, such as adhering to the sinicization of the Marxist theory of united front, firmly grasping the Party's leadership over the united front, adhering to the principle of "centering on the center and serving the overall situation", consolidating and developing the united front's scope of association, actively safeguarding the vital interests of allies, and flexibly applying the strategy of "combining and fighting". It has important implications for the new era and the new journey, such as upholding and strengthening the CPC's overall leadership over the united front, consolidating and developing the common ideological and political basis and services for the great rejuvenation of the Chinese nation, serving and focusing on the central work of comprehensively building a modern socialist power with Chinese path to modernization, adhering to and promoting the integrity and innovation of the united front theory, respecting and taking care of the legitimate interests of Chinese people at home and abroad, and improving and perfecting the working pattern of the united front in the new era and new journey.