The Resolution of the Central Committee of the Communist Party of China on the Major Achievements and Historical Experience of the Party over the Past Century adopted at the Sixth Plenary Session of the 19th Central Committee of the Communist Party of China is rich in content and of great significance, which can be understood from different dimensions. This paper analyzes its content and characteristics from three aspects. First, it reviews the history of the Party with the realization of the great rejuvenation of the Chinese nation as the main theme, and summarizes the achievements of the Party in different historical periods based on its unique contributions to the great rejuvenation of the Chinese nation. Second, considering both history and future, it figures out why the Party was able to succeed in the past and how the Party can continue to succeed in the future, which reflects the resolution’s spirit or core problem consciousness. Third, based on broader perspectives of history and international vision, the Party’s endeavors over the past century are examined.