On the 17th, Comrade Li Zhanshu discussed the report of the 20th National Congress of the Communist Party of China (CPC) with delegates in the Sichuan delegation of his party's 20th National Congress. The report comprehensively reviews the work of the past five years and the great changes in the past ten years of the new era, summarizes the major theoretical innovation achievements made in the sinicization and modernization of Marxism, puts forward the missions and tasks of the CPC in the new era and new journey, and issues a mobilization order to unite and struggle for the comprehensive construction of a modern socialist country and the comprehensive promotion of the great rejuvenation of the Chinese nation. Li Zhanshu said that the work of the past five years and the great changes of the new era in the past ten years have attracted worldwide attention and blazed through the annals of history. These achievements are original, breakthrough and pioneering in theory, innovative, systematic and holistic in system, and fundamental, strategic and long-term in practice. They are milestones in the history of the Party, the new China, reform and opening up, socialist construction and the development of the Chinese nation. Because of these achievements, adhering to and developing socialism with Chinese characteristics has a more solid material foundation and a more perfect system guarantee. The scientific and truth of Marxism has been fully tested in China in the new era, and the historical inevitability and institutional competitiveness of socialism have been fully demonstrated. Li Zhanshu said that the "two establishment" is the most important political achievement of the Party's construction since the 18th National Congress of the Communist Party of China, and also the political guarantee to lead the cause of the Party and the country from victory to new victory in the new era.