Yanan Rectification and the educational practice of mass line are two successful practice of administering party in the history of the CPC. Comparing Yanan Rectification with the educational practice of mass line from the perspective of administering the party, we find that both focused style construction, adhered to the way that cured the sickness to save the patient, leaded demonstration and linked theory with practice. The object of administering the party turned from opposing subjectivism, sectarianism, and stereotyped party writing to formalism, bureaucracy, and hedonism and extravagance. The task is harder. The method of administering the party is three-dimensional diversity, combining tradition and innovation, ideological building of the party and the system of party discipline, concentrated education and regular education.