Convertible bonds in the market today are becoming more mature, but the participants in China are still not so familiar with the value and the advantages of it. The risk assessment is also in its infancy. To enterprises in every country especially China under the global financial crisis, convertible bonds would provide great. helps to resolve the existence for the lack of varieties in investment, higher and uncontrollable risk. Against this background, in-depth study about convertible bond financing and risk assessment has important theoretical and practical significance. This thesis would analysis various risks and inadequacies based on the historical development., financing and comparison of cases to make advices for perfecting it.