动力，同时可以与大型企业相互协作，通过专业化与分工形成其独特的生产 优势。然而，中小企业由于自身条件限制以及外部环境影响等种种原因导致的融 资困难成为制约中小企业发展的瓶颈。 供应链金融是作为一种新兴的融资模式，通过将信息流、现金流以及物流进 行整合，为中小企业进行资金融通提供了新的思路。本文基于信息不对称理论、 信号传递理论以及委托代理理论对制约中小企业发展的原因进行详细的论述，同 时对于供应链金融的优势进行了探讨，从中发现对解决中小企业融资问题所做出 的贡献。同时，本文还通过Qupital公司的供应链金融管理实际案例，分析了供应 链金融在实践中如何进行操作，各种融资模式如何为中小企业融资提供便利，最 后，通过案例研究进行总结，分析其供应链金融成功的经验，为其他企业进行供 应链金融实践提供思路。

Small and medium-sized enterprises play a very important role in the current market economy environment. They can not only solve part of the surplus labor, but also cooperate with large enterprises to form their unique production advantages through specialization and division of labor. However, the financing difficulties of small and medium-sized enterprises due to various reasons such as their own conditions and external environmental impact have become the bottleneck restricting the development of small and medium-sized enterprises. As a new financing mode, supply chain finance provides a new way for SMEs to finance by integrating information flow, cash flow and logistics. Based on information asymmetry theory, signaling theory and principal-agent theory, this article discusses the reasons of restricting the development of small and medium-sized enterprises in detail. At the same time, it discusses the advantages of supply chain finance, and finds the contribution to solve the financing problems of SMEs. At the same time, through the actual case of supply chain financial management of qupital company, this paper analyzes how to operate the supply chain finance in practice and how various financing modes provide convenience for the financing of small and medium-sized enterprises. Finally, through the case study, it summarizes the successful experience of its supply chain finance and provides ideas for other enterprises to carry out the supply chain finance practice