This article summarizes the practices and effects of the Operation of Improving the Party’s Style of Work，Upholding Integrity and Combating Corruption in the year of 2014 in six aspects，including purifying political environment by “cure the ill trees and remove the rotten tree”，amplifying the actual effects with problem-oriented supervision，restraining public power，overseeing public funds，properties and resources strictly，constructing the code of moral and conduct for public servants，and deepening the fostering of an honest and clean culture among the society. It reflects the commendation and expectation of the public towards the construction of the integrity of CPC based on field research，surveys and public opinion analysis. Furthermore，this article also puts forward some thinking and suggestions of the research group.