Understanding Chinese path to modernization from the perspective of theoretical system will help deepen the understanding of Chinese path to modernization, deeply understand the original contribution of Chinese path to modernization, and understand how Chinese path to modernization theory can open up a new realm of contemporary Chinese Marxism and Marxism in the 21st century. Grasp the inevitability of the theoretical system of Chinese path to modernization from the historical laws. Chinese path to modernization is a major achievement that our party has led the people of all ethnic groups in the country to achieve through a long period of exploration and practice. The theoretical system of Chinese path to modernization takes the historical background, social conditions, cultural foundation and economic foundation of Chinese path to modernization as the main line, and based on the exploration and practice of CPC people on socialism after the founding of New China, profoundly summarizes the creation, persistence and development of CPC people on socialism with Chinese characteristics since the reform and opening up, and then comprehensively explains the systematic process of promoting and expanding Chinese path to modernization. In other words, the theory of Chinese path to modernization is the fundamental summary of the five hundred years of socialist movement, especially the CPC people's promotion of socialist modernization. It condenses the most fundamental dream of the Chinese nation since modern times to realize the great rejuvenation of the Chinese nation, and realizes a profound grasp of the laws and trends embodied in the historical development of Chinese path to modernization. Grasp the scientificity of the theoretical system of Chinese path to modernization from the internal logic. The development of theory will ultimately lead to a scientific system, achieving a rigorous theoretical logic and a scientific ideological structure to grasp the internal connections and structures of categories and concepts. The theoretical system of Chinese path to modernization is a scientific summary of the modernization path and development model proposed according to the actual situation of China's modernization development, which clarifies the fundamental nature, Chinese characteristics, essential requirements, major principles, strategic arrangements, etc. of Chinese path to modernization. Among them, the fundamental nature of Chinese path to modernization is the socialist modernization led by the CPC; The internal connection between the five aspects of Chinese characteristics, the nine aspects of essential requirements and the five aspects of major principles is not only a theoretical summary based on the special connotation of Chinese path to modernization, but also a practical requirement to promote and expand Chinese path to modernization, which together constitute the inevitable follow of building a socialist modern country in an all-round way; The two-step strategic arrangement depicts the grand blueprint of Chinese path to modernization and its realization steps. It is necessary to fully, accurately, and comprehensively grasp its uniqueness as a theoretical system, and fully feel the ideological wisdom and theoretical strength demonstrated in the process of its scientific validity being confirmed. Grasp the ideology of the theoretical system of Chinese path to modernization from the core. Chinese path to modernization contains a unique world outlook, values, history, civilization, democracy and ecology, which deeply reflects the major innovation of Chinese path to modernization in the theory and practice of world modernization, and has a clear value goal guide