Carry out criticism and self-criticism. Before the meeting, relevant parties made serious preparations. Comrades of the Political Bureau of the Central Committee had heart to heart talks with relevant responsible comrades, listened to comments and suggestions, and wrote an outline of the speech. At the meeting, comrades of the Political Bureau of the CPC Central Committee made speeches one by one. Centering on the theme of the meeting, they carefully investigated, analyzed, and met openly and candidly. The atmosphere was serious and lively, and the expected results were achieved by referring to the "Several Provisions of the Political Bureau of the CPC Central Committee on Strengthening and Maintaining the Centralized and Unified Leadership of the CPC Central Committee" and the "Detailed Rules for the Implementation of the Eight Provisions of the Political Bureau of the CPC Central Committee". The speech of the comrades of the Political Bureau of the Central Committee focused on six key points. First, we should have a deeper understanding of the significance of studying and implementing the spirit of the 20th National Congress of the Communist Party of China. Second, we should have a deeper understanding of the decisive significance of the "two assertions" and further enhance our ideological, political and action awareness of the "two safeguards". Fourth, we have a deeper understanding of the Chinese characteristics, essential requirements, major principles and strategic deployment of socialist modernization to comprehensively promote Chinese path to modernization. In the face of arduous tasks, risks and challenges, we should dare to struggle, take actions, and perform our duties for the Party and the people. Fifthly, we should have a deeper understanding of the role of leading cadres as weathervanes in comprehensively and strictly governing the Party, be strict with self revolution, and consciously set an example for the whole Party in respect of compliance with rules and disciplines. Sixth, we should have a more profound and firm understanding of how to keep solving the unique problems of the big party, and earnestly fulfill the political responsibility of comprehensively and strictly governing the party. The meeting stressed that this year is an extremely important year in the history of the Party and the country. We successfully convened the Twentieth National Congress of the Communist Party of China, drawing a grand blueprint for building a socialist modern country in an all-round way. To cope with the impact of unexpected factors