1Web-based services e-commerce and ERP Integration ModelAbstract In this paper, an enterprise e-commerce and the need for ERP integration, and integration of e-commerce and ERP status was analyzed, explicitly put forward the goals of this research and the research content. At the same time, introducing e-commerce and ERP integration the basic theory and related technologies, analysis of a typical business environment and the integration of existing hardware and software design goals, on this basis is given for the manufacturing enterprises based on Web services, e-commerce ERP integration patterns and the overall design. Full-text-based Web services, e-commerce and ERP integration model studies were summarized on the e-commerce and ERP integration patterns were prospects for further improvement. 2Keywords: Web service e-business ERP Application Integration A, ERP and e-commerce overview 1. Enterprise Information Resource System Development ERP from enterprise management practice, it is 50 years from the 20th century inventory management system began to develop together, 60 years to develop into MRP system MRP. To 80 years, in material requirements planning system based on the increase of production centers, processing time, productivity and other aspects of management. 90 years, in addition to MRPII system, manufacturing, financial management functions, but also includes support for the circulation of materials transportation management and warehouse management, and absorbed the JIT, total quality 3management, advanced management ideas, the main purpose of the enterprise resources in different areas . Development of electronic commerce has effectively promoted the Internets development, social progress and economic changes have far-reaching implications for business leap forward provided a rare opportunity. 2. E-commerce and the need for ERP integration E-Commerce and ERP system integration will be to bring about revolutionary changes in business management, first of all, the system will undergo major changes in supply and marketing, business e-commerce system from the upstream suppliers orders, but from their own e-commerce system to obtain a user orders the formation of master production schedule. Second, the enterprise business process reengineering to provide the technical foundation to enable enterprises to adapt to rapidly changing market demands. Again, e-commerce and ERP systems integration will enable 4more enterprises to move toward the Internet economy, electronic commerce, thus enriching more extensive development of e-commerce to provide greater impetus. In the network economy era, as the subject of enterprise information systems and e-commerce ERP system should combine. 3. E-commerce and ERP integration Analysis First, in the information age, corporate internal and external mode of operation will be greatly changed. In-house work and business process control, a large number of enterprises will take the initiative to adopt new business models to communicate. Regardless of whether the staff involved in the business in the same physical location or network, the business is handled should be carried out smoothly. Second, ERP system is a concept that differences in firm size and functions to decide the final configuration of the ERP is not the only, that the ultimate implementation of 5ERP systems to specific businesses will be a subset of a complete system, it only contains the enterprise involved in functional modules, while the e-business application systems are often built or are ready to domestic enterprises to build new applications to meet the increasing customers and trading partners, exchange of information. Third, with the development of e-commerce technology, companies of various business activities has also been extended to the Internet, enterprise information systems need to support access to information on the Internet and on-line transactions implementation. Second, e-commerce and ERP integration of basic theories 1. Enterprise Information System Integration Technology Overview The so-called integration refers to the decentralized, a variety of factors or unit integration and harmonization into a 6more harmonious whole. According to the United States Information Technology Association (ITAA) definition, information system integration is based on a complex information systems or subsystems required to verify a variety of products and technologies and connect into a complete solution process. With the rapid increase in enterprise applications, as well as more businesses turn to their own e-commerce, the integration of different systems is increasingly important to enterprises appear. 2. E-commerce and ERP integration of content analysis First of all, from the integration point of view, there are three aspects of integration of information integration, network integration, and functional integration. Network integration, on the rational allocation of comput