It has been more than 80 years since the founding of CPC, during which CPC experienced its brilliance and complications and misjudgment as well. However, CPC could steadfastly get the support from mass. Many reasons for it, but the key point is that CPC continuously satisfy the basic requirements of the mass. Using it as the turning point, CPC Chinanized Marxism so that the Chinese people firmly believed that CPC was the representative of their interest and won the common aspiration of the people. The above is the focus of CPCs mass line policy and it is also the basic objective principle followed by CPC in the building socialist modernization at present.