Abstract: The courage of self-revolution is not only the most distinct character and greatest advantage of the Communist Party of China,but also the fundamental factor for the Communist Party of China to maintain its advanced nature and purity.The essence of the proletarian party and the realistic choice it faces are the logical starting point for the Communist Party of China to have the courage of self-revolution.It isan inevitable trend that the Communist Party of China has the courage of self-revolution to inherit and develop the self-revolutionary spirit in practice and to innovate and perfect its self-revolutionary thought in theory.Understanding the logic of the Communist Party of China's courage of self-revolution is helpful to sum up the useful experience of the Communist Party of China in managing the Party,and to understand and grasp the great significance of administering the Party strictly in an all-round way in the new era.

Key words: the Communist Party of China, self-revolution, Party building, seeing Party self-governance exercised fully and with rigor, the proletarian party