Research on the Asymmetric Information and Its Risk-averse Strategies in the InsuranceHU Bing(School of Management,Wuhan University of Technology,Wuhan 430070,China)In this paper,two main models under the circumstance of asymmetric information in the insurance market—the adverse selection and moral hazard were studied. Firstly,the concepts and creation mechanisms of adverse selection and moral hazard were explained,and then how to avoid them generally was discussed.Thereafter the idea of optimal insurance contract design under the circumstance of asymmetric information was elaborated.asymmetric information;moral hazard;adverse selection;optimal insurance contract