The theory of Silence Spiral reveals public opinion tendency of “oligarchs” in essence, explains the public opinion’s “imperfection” rather than "irrational" state. The spiral can be divided into two directions, top-down and bottom-up. The true sense of "Anti-silence Spiral” refers to the diversity of opinions within the “opinions of free market”. The network environment of China is suitable for the "Silence Spiral Theory”, for the more apparent perception of the opinion climate, the strong morality of public events, the powerful emotional mobilization, the extremes of public opinion and the outstanding phenomenon of populism. Therefore, thinking about its adaptability in different social and cultural situations, is of great significance to reread Neumann’s “Silence Spiral Theory”.