At first, they were a whole, interrelated and inseparable. The report of the 19th CPC National Congress is based on the historical mission of China in the new era. When expounding the "Four Greatness" in the report of the 19th National Congress of the Communist Party of China,

They run through the Chinese dream of realizing the great rejuvenation of the Chinese nation, that is, "to realize a great dream, we must carry out a great struggle", "to realize a great dream, we must build a great project" and "to realize a great dream, we must advance a great cause".

Understand the respective connotations of the "Big Four"

In essence, the respective connotations of the "Big Four" should be understood and grasped around "governing the country" in the final analysis. Carrying out the "Great Struggle" emphasizes the mental state and attitude of governing the country and has the function of nourishing the fighting spirit. Mainly answer the question of "what kind of mental state and struggle attitude" or "how to do it"; Building a "great project",

It emphasizes the leadership of governing the country and has the function of political guarantee, and mainly answers the question of "who will lead" or "what kind of political guarantee will be provided"; Promoting the "great cause" emphasizes the banner, direction and road of governing the country, which has the function of raising the flag and guiding the way.

Mainly answer the questions of "what flag to raise and what road to take" or "what to do"; Realizing the "great dream" emphasizes the historical mission of governing the country and has a goal-oriented role. Mainly answer the question of "what kind of historical mission to undertake and what kind of goal to achieve" or "what to achieve".

Refer to the above? China News Network-"Four Greatness": the basic compliance of the action plan in the new era, and the origin and relationship of China News Network-"Four Greatness".