The mass line is the lifeline and fundamental work line of the Communist Party of China. Theoretically speaking, we should trace its origin from the historical development of the early revolution. In practice, throughout the party's eventful years in the past 100 years, adhering to the party's mass line is the magic weapon for the party to lead the Chinese people to stand up, get rich and get strong in the new democratic period, the period of socialist construction and since the reform and opening up. At the same time, this article further emphasizes the inheritance and development of the mass line by the Central Committee of the CPC, which is centered on Comrade Xi Jinping, making it the core logic and value end of China's governing the country.