Applies EDI in the logistics system, can make the constituent parties of supply chain logistics system, through based on standardized information formats and processing methods to share logistics system information, improve circulation efficiency and reduce logistics costs. In view of traditional EDI the problems exist in the bills circulation, use the XML to research. First, through the establishment of logistics EDI model, gives the workflows using the EDI to conduct the logistics business information process. Secondly, discusses the standardization problems which need solve by using the EDI to conduct logistics bills circulation. Then, in the format that XML is based on EDI, established EDI electronic commerce logistics model based XML. Finally, studies the data bills interchange base on XML, including mapping models of XML and relational database, mapping methods and conversion methods. The results show that, XML and EDI combination, allowing the exchange of data in different formats, can increase the information level of logistics and improve the core competitiveness of supply chain system.