Marx's description on the historical backtracking method is of major importance to realizing the historical logic and theoretical logic of socialism with Chinese characteristics.The unremitting human exploration and the vision of a better socialism in modern times，the evolution of scientific socialism，movement and system and its theme，reflects the historical logic of socialism with Chinese characteristics.The internal unity of“the trinity" and“threeoutlines”constitutethe theoretical logic of socialism with Chinese characteristics. The basic line，basic theory，basicprogram，basic experience and basic requirements around the basic proposition of building socialism with Chinese characteristics，has combined the historical logic and theoretical logic of socialism with Chinese characteristics as as a whole. To combine the universal truth of the Marxismdoctrine with the concrete realities of China，depicts the core and the main line of historical logicand theoretical logic of socialism with Chinese characteristics. To study the history logic and theoretical logic of the socialism with Chinese characteristics helps deepen the research of the theoryand methods of sinicization of Marxism.

　　

　　

　　Editor: Zhou Miao