To avoid the historical cycle of rise and fall of ruling orders apparent through the centuries of imperial dynasties, self-reform is a second answer. It is necessary to have both general abstract analysis and concrete practical verification in order to accurately understand and grasp the Party's self-reform. Following the logical coherence between the general indication of Marxist party and the realistic interpretation of the CPC, it deeply explains the internal feasibility and reality of self-reform. The essential attributes of Marxist party are people oriented, revolutionary and critical. The internal requirements of Marxist party are advanced nature, purity and innovation. Self-reform adheres to the attributes and the requirements among the above. From the perspective of feasibility, the nature, purpose, goal and pursuit of the CPC are the internal basis of self-reform. The historical experience of the CPC proves the feasibility of self-reform from the practical perspective. From the perspective of reality, the basic conditions of the CPC itself have provided unquestionable reality for self-reform. To make self-reform become a reality, there are several necessary conditions which contains an entire system, positive and healthy political culture within the Party, strict organizational system, and a robust leadership core, etc.