Abstract:(School of information management, Wuhan University, Wuhan 430072,China):Small and micro enterprises play an important role in national economy. However, there are many difficulties in financing process of small and micro enterprises. Fortunately, the network financing service which based on the financial innovation create new financial environment for small and micro enterprises’ financing. This article has summarized some common difficulties of small enterprises’ financing based on analyzing the data of small enterprises’ research report.. After clearing theStraits of network financing environment, this article concludes four kinds of service patterns and specific service process in view of small enterprises’ visual angle, and investigates the utility of the network financing macroscopically from three aspects including decreasing asymmetry of information, reducing transaction cost and promoting service standard.