Openness is an prominent feature of the theoretical system of socialism with Chinese characteristics, which includes three types of connotation inherently, i.e., the sustainable development of socialism with Chinese characteristics is the practical foundation of the openness of the theoretical system of socialism with Chinese characteristics, the advancement of Marxism sinicization with the times is the theoretical foundation of the openness of the theoretical system of socialism with Chinese characteristics and the diversity of global civilization is the global perspective of the openness of the theoretical system of socialism with Chinese characteristics. In both theoretical and practical aspects, it is quite necessary to understand the openness features of the theoretical system of socialism with Chinese characteristics and its scientific connotation, for which is quite important for the healthy development of socialism with Chinese characteristics as well as the abundance and perfection of the theoretical system of socialism with Chinese characteristics.
