The mass line is not only a question of leadership and working methods, but also involves the basic problems of political philosophy-the status of the people, the nature of the party, the relationship between the party and the masses, etc. As a complex containing many factors, the mass line involves world outlook, epistemology and working methodology, which embodies the unity of political principles and leadership methods. The unification of policy formulation and policy implementation; Unity of cognitive function and interest expression. Of the two basic components of the mass line, the mass viewpoint obviously occupies a more basic position. "As a method of leadership and work, the mass line is guided by the views of the masses. To implement the mass line, we must establish the mass viewpoint. Without a clear mass viewpoint, there will be no real mass line. " [5] In other words, the mass viewpoint is the core of the mass line.