Abstract: Annual financial reports of 43 listed Corporations in financial industry from 2007 to 2012 were selected as research sample in this article, respectively according to the classification of equity and bond type two major categories of financial assets. Research is based on the contract theory, considering the factors including the scale of financial assets, cash flow and profit status, and found that financial assets scale has no influence on the classification of financial assets in the financial industry, other factors including political motives, debt contract, cash flow significantly influence the classification of financial assets. Looking forward to the conclusion of study provide a reference for revision of related standards and financial regulation in the foreseeable future.