If a nation wants to stay ahead of the times, it must not be without theoretical thinking and ideological guidance for a moment. The great changes in the past ten years have proved that why the CPC can and why socialism with Chinese characteristics is good is, in the final analysis, a Marxist line, a Marxist line with Chinese characteristics and an era. "The great changes in the past ten years of the new era are of milestone significance in the history of the party, the history of new China, the history of reform and opening up, the history of socialist development, and the history of the development of the Chinese nation." How to build a modern socialist power, what kind of long-term ruling Marxist party to build, how to build a long-term ruling Marxist party and other major issues of the times have marked a new height for the development of Marxism with a series of strategic, forward-looking and creative new ideas, new ideas and new strategies. "Ten years of great changes in the new era have once again proved that having the guidance of Marxist scientific theory is the fundamental reason for our Party to strengthen its faith and grasp the historical initiative." Promoting the modernization of Marxism in China is a process of pursuing truth, revealing truth and practicing truth. On the flight, we told the story of the founding of the Party for passengers, carried out the activity of "100 things into 100 schools, 100 stories to prove a hundred years", and launched an immersive situational party lesson... Over the years, Yang Yu, the director of the Publicity and Education Department of the First National Congress of the Communist Party of China Memorial Hall, and his colleagues have been committed to telling the truth in the birthplace of the Party, and showing the history of the Party for a hundred years