Abstract: In the early stage of reform and opening up, Deng Xiaoping made significant contributions to the self purification, self-improvement, self-renewal, and self-improvement of the Party's ideology, organization, and work style. He integrated the spirit of self revolution throughout the system construction, and established and improved a series of relevant institutional norms. His contributions mainly include re-establishing the ideological line of seeking truth from facts and ensure the direction of the Party's self revolutionary system construction, standardizing the organizational life system and provide an organizational foundation for consolidating the Party's self revolutionary institutional construction, reforming and improving the cadre management system to provide organizational and talent support for promoting the self revolutionary system construction of the Party, and establishing and improving the internal supervision system within the Party, in order to improve the working mechanism of the Party's self revolution system construction.