Abstract：Chinese Communist Party points out clearly that the choice of socialism with Chinese characteristics is the fundamental reason of our achievements and progress since the reform and opening up.The formation and development of this policy, which is the result of several generations of our party leaders'exploring (integrating Marxism into China's actual situation) , reflects our party's thought of our country's new situation.From the historical perspective, the choice of socialism with Chinese characteristics is not only the result of Chinese Communist Party's striving to pursue the whole people's happiness, but also the inevitable outcome of historical development, thus it takes on obvious theoretical quality.

Keyword：Socialism with Chinese characteristics;The Communist Party of China;theoretical quality;