At 10:00 a.m. on October 16, 2022, the grand national anthem was played in the Great Hall of the People in Beijing, and the 20th National Congress of the CPC was grandly opened. The red flag on the rostrum is bright, and the party emblem is shining. The report comprehensively summarizes the work of the past five years and the great changes of the new era in the past ten years, puts forward new requirements for opening up a new realm of Marxism in China and the times, and plans a grand blueprint for moving towards the new journey of building a socialist modern country in an all-round way and marching towards the second century goal. This is a solemn declaration that the ten years of great changes in the new era will profoundly reveal the future - the report comprehensively reviews and summarizes the ten years of great achievements and changes in the new era in the structure of "3"+"16"+"4" on the basis of summarizing the work of the Party and the state in the past five years. Three major events have made remarkable achievements in 16 aspects and work, and four milestones have inspired the future. This is a programmatic document for the modernization of Marxism in China - the report focuses on opening up a new realm for the modernization of Marxism in China. It emphasizes that adhering to and developing Marxism must be combined with China's specific reality and with China's excellent traditional culture. At the same time, it puts forward "six principles". To promote the Party's theoretical innovation, "two combinations" is the fundamental way, and "six insistences" is the scientific method. "Two overall situations", while explaining the five characteristics of Chinese path to modernization, put forward nine essential requirements and five major principles that must be firmly grasped on the way forward, defined the scientific connotation, purpose, significance, objectives and tasks, and ways to achieve Chinese path to modernization, and revealed the unique advantages, practical guidance, and bright prospects of Chinese path to modernization. The report deeply analyzes the historical position of the Party, the situation and tasks it faces, and the development and changes of the Party's situation, and makes deployment for the Party's construction from seven aspects. A series of important measures fully reflected the Party's sober awareness of the severe and complex tests, and the height of leading the social revolution with the Party's self revolution