Service Outsourcing(SO) is one kind of change in management and innovation strategically to reduce the risk. Add the flexibility and improve thecorporation¨s benefit .Meanwhile, supply and demand became a new cooperant fellow ship strategically ,and a managementof chain on service and supply.
The wave of internet and information coming is so fast, informationization of economic and society can¨t reverse .does a company supplying public product and service need himself to truss all taches about product and service Of course not. Outsource on information system Construction and running and maintenance will be the inevitable choose .This is a mode which iscurrent international.