The 20th National Congress of the Communist Party of China has drawn a grand blueprint for building a socialist modern country in an all-round way and promoting the great rejuvenation of the Chinese nation with Chinese path to modernization in an all-round way, pointing out the way forward for the development of the cause of the Party and the country in the new era and new journey. It is a major theoretical innovation of the 20th National Congress of the Communist Party of China and the latest major achievement of scientific socialism to put forward and thoroughly elaborate the theory of Chinese path to modernization. On the way forward, we should deeply understand and grasp the historical confidence of Chinese path to modernization. It is confidence in the sinicization and modernization of Marxism, confidence in the historical achievements of the Party and the country in the new era, and confidence in the gathering of the people's strength to build a socialist modern country in an all-round way. The truth power of Marxism is the source of historical confidence. Guided by sinicized and contemporary Marxism, it is the theoretical source for our Party to strengthen its historical self-confidence and enhance its historical initiative. Marxism took root in China, provided a powerful ideological weapon for China's revolution, construction and reform, guided China to embark on a path of modernization development different from that of the western developed countries, created a Chinese miracle, answered the questions of the times and the people, and became the theoretical foundation for our firm historical confidence. The people of the CPC, in practice, constantly promote Marxism to keep pace with the times, and respond to the era of China's development with a broad vision, forward-looking vision and reform spirit. Based on China's basic national conditions, adhere to the basic socialist system, and have the courage to explore the development path and innovate the system and mechanism; It is good at learning from the outstanding achievements of human civilization, and firmly resists the impact of "westernization" and "differentiation", which reflects the strong determination and confidence of the CPC people to "keep forging ahead with thousands of blows, and let the wind from east to west, north to south". The great practice of our Party's century-old struggle is a vivid interpretation of the firm historical confidence. The report of the 20th CPC National Congress pointed out that "on the basis of long-term exploration and practice since the founding of the People's Republic of China, especially since the reform and opening up