The debt structure discussed in this paper is based on the generalized debt structure, so the debt structure is a general concept of debt financing channels based on the overall capital structure of enterprises. As long as the debtor is an enterprise, whether the debtor is long-term or short-term, whether the debtor is a bank loan or a commercial loan, it will be included in the debt structure. Therefore, on the one hand, the debt structure of this paper is a comprehensive reflection of the composition of enterprise assets, liabilities and equity, on the other hand, it also indirectly reflects the overall financial strategy of the enterprise.