Marking the centenary of the Communist Party of China (CPC), this encyclopedia contains 2,113 entries, with a total word count of over 2.65 million. It presents a wealth of knowledge on the history of the Party in an objective and informative manner, roughly spanning from the May Fourth Movement in 1919 to the centennial anniversary in July 2021. It systematically explores the CPC's century-long journey, providing profound insights into key theories, pivotal events, significant meetings, essential documents, prominent figures, and crucial organizational structures of the Party. The book also includes an appendix containing a timeline of major events in the history of the CPC. 

It stands as the first encyclopedia specifically focused on the history of the CPC. It offers a dependable and comprehensive account of the Party's history, chronicling the CPC's remarkable journey of party-building and exploring the core themes, central line, and prevailing thinkings that have shaped the Party.