The reasons why Marxism has taken root in China are that it has become a scientific guide for the Chinese nation to achieve great rejuvenation, that it has inherent unity with excellent traditional Chinese culture, that the Communist Party of China(CPC) applying Marxism has made historic and brilliant achievements, and that its developing by the CPC has always highlighted the age subjects, the development path and the national temperaments. The sinicization of Marxism has also provided new impetus for the theory of Marxism itself to retain its own vigor and vitality. In the process of mutual nourishment and promotion between Marxism and excellent traditional Chinese culture and Chinese practice, Marxism has better rooted, bloomed and fruited in China.