Abstract
The four self-confidences theory is a scientific proposition advocated by general secretary Xi Jinping in the context of profound changes in party conditions, national conditions, and is also the powerful driving force for building socialism with Chinese characteristics for a new era. This paper discusses the need of “four self-confidences” in the development, establishment and practice of socialism with Chinese characteristics from three aspects: new situation, new foundation and new path, so as to better promote the great cause of socialism with Chinese characteristics in the new era with “four self-confidences”.