Abstract: Deng Xiaoping's theory on the history of CPC includes his thoughts on the division of the Party's history after the founding of the people's Republic of China, on the two great revolutions, on the Party's theoretical basis, on the many his torical events of the party after the founding of New China, on the Third Generation Leadership of the Central Party Committee, on China's development and modernization, and on the general guiding principles of CPC in the socialist period.All those thoughts of Deng Xiaoping have become the guide to the study of the history of CPC in the socialist period.

Key words: Deng Xiaoping, socialist period, the theory on the history of CPC, theoretical guide