Service outsourcing is a form of global industry transfer which includes modern service, high level manufacturing, researching and development service,and is an important part of modern service industry. With the advantage of human resource and support of information network, service outsourcing can bear large information, cost little energy and resources, output appended value largely. Analyzing the successful experience of service outsourcing development in India, the article considers that service outsourcing is in favor of the comparative advantage of human resource, upgrades opening level and industry level, forms new industry and realizes the goal of spanned development. Finally the measure to develop service outsourcing in western China is brought forward.