Small and medium-sized enterprise are the important factor in the development of the national economy,are also the most dynamic part of Chinese economic development. To promote the development of small and medium-sized enterprises is really significant to the type of Chinese economic development transformation.From the global viewpoint,affected by the enterprise development and financial market system,the development of small and medium-sized enterprises has been restricted by money supply in the long-term,and "financing"also become the chronic illness in the small and medium-sized enterprise's progress. This paper studies three financial mode of the small and medium enterprise:relationship banking,credit guarantee as well as private equity fund,through analysis the present situation of three financial mode both domestic and abroad,it is proposed that we should focus on the establishment and development of perfect multi-level small and medium-sized enterprises financing system. <<