The purpose of this paper is to examine the corporate social responsibility associated with asymmetric information.The bid-ask through the stock market, on the basis of direct measure of the degree of enterprise information asymmetry.The past literature has confirmed that the corporate governance will slow down the problem of asymmetric information,this study further analysis, corporate governance can strengthen corporate social responsibility to slow of the asymmetric information problem.In this study, because the sample of the TOP50 of the enterprise, carried out with the same industrial scale of one to one pairing sample, regardless of whether the implementation of corporate social responsibility because opposite of these 50 companies are also considered good corporate governance, resulting in the bid-ask by influence of corporate governance is not significant.