ndustry finance based on supply chain is a financial mode, which creates a credit community through core enterprise and many kinds of small-micro enterprises that is its upstream supply business or downstream marketing business. Through this financial mode to do small-micro business is a way to achieve batch development for specific industry and to control cost & risk of traditional small-micro business for commercial banks. At the same time, industry finance based on supply chain provides a more comprehensive, professional and precise financial services for small-micro enterprises. This mode will help city commercial banks to achieve a better service for small-micro enterprises.