Of course, except the general attitude of society, we can also see the power of the system. The fact is, as Feyerabend said: 'Science has now become a democracy, the basic part of the organization', and this whole of the social system, in turn, further strengthen the scientific authority: 'In this case, science has supreme right to rule, and has become the only people to know the results have valuable ideology.' more general to say that post-modernism, one representative of Foucault (Foucault) of the following discussion from this point of view can be better to understand: 'power and knowledge inherent in each other directly, without building a corresponding field of knowledge is not may have the power relationship, not the same pre-and construction will not have any knowledge of power relations, which also means that knowledge is power.