As we can see, the side effects caused by the continuous development of science and economy have gradually brought human society into a risk society. While currently, the power of globalization is unceasingly forming a world risk society. German renowned philosopher and sociologist Ulrich Beck has opened a unique and novel researching angle to review science difficulty and abuse of modern world risk society, and has made comprehensive and profound analysis. World risk society has three main characters: First, the emergence (...) of the world risk society is linked to the two fundamental changes still influencing our lives, which is the so-called “end of nature” and “end of tradition”. Second, in world risk society, mankind lose their dependence on “expert system”. The religion is replaced by the concept uncertainty and uncontrollable. In addition, there are other series of problems and abuses between world risk society and traditional society. The prime mover of social changes in world risk society exists in the side effects instead of the instrumental ration in traditional times, etc. The problem in world risk society’s science ethics are as follows: First, expansion of ration. It is mankind’s extreme confidence in ration that causing unlimited development of technology and exploitation of resources. Thus almost everywhere in nature becomes man‐made nature. Second, rupture of knowledge. From “knowledge is virtue and virtue isknowledge” (Socrates) to “knowledge is power” (Bacon), now “knowledge is money” (Bacon). Third, displacement of science value. In traditional society, science research is scientists’ personal interests. Now science research turns its target to meeting social needs, and scientists gain more profits from the technologicalproducts directly. Beck has raised the theory of risk society, and attempted to use “reflexive modernity” as the strategic plan to respond the global consequence of modern science crisis, and expressed revelatory viewpoint on diagnosis of the essential of “reflexive modernity”. Similarly, Lash emphasizes risk culture toremind human to pay attention to the ecological threat and risk. In addition, Bauman and Habermas also have some statements, etc. So my conclusion is, we should consider the autonomy of science development and its inherent relationship with economic interests. In addition, what we concern is the science dual identity of both defendant and expert. Also, the public’s understanding of the uncertainty provides a space for democratization. (shrink)