The integration and sharing of geometric information has been the research focus of GIS field for a long period.In recent years,with the development of network technology,a lot of departments and research institutions involved to build their own web service based system following the concept of SOA (Service Oriented Architecture).At the same time,the demands of setting up a personalized and collaborative web service environment have been more and more intense.Because people are no longer satisfied with the syntax driven service composition methods,which need to bind the services statically and then assemble them in a fixed processing flow.