Abstract: The report of the 19th National Congress of the Communist Party of China (CPC)proposes that the Party’s political building should be included in the overall layout of Party building and placed in a leading position, which has profound theoretical logic, Party building logic, realistic logic and historical logic. Taking a clear-cut political stand is the fundamental requirement of Marxist parties and the fine tradition of the Party in its century-long struggle. The Party’s political building determines the direction and effect of Party building. Focusing on political buildingis not only the successful experience of full and strict self-governance, but also the fundamental guarantee for solving the prominent problems within the Party. To guide Party building in the new era bythe Party’s political building requires the whole Party to firmly establish the “four consciousnesses”, take the Party building as the fundamental follow, put the Political buildingin the first place, adhere to problem orientation, adhere to the unity of the two-point theory and the key theory, strengthen the Party’s political belief in practice, adhere to the Party’s political leadership, improve the Party’s political ability, purify the political ecology within the Party, and strengthen the system guarantee. 

Key words:  the Party’s political building;basic experience, political beliefs;political leadership, political ability, political ecology