The insurance industry is a special financial industry. The high density and frequent exchange of transaction information trigger the demand of information service in the insurance industry. Financial innovation and Internet information technology innovation have promoted the innovation and development of insurance information service. Ditigal and intelligent information service not only can elevate the service efficiency of the tranditional insurance business，but also can promote the innovation and expansion of new insurance business. This chapter discusses the development of insurance service and the generated demand and changes of information service. Then we deeply analyze the significance and function of insurance information service to the development of insurance industry. The development and evolution of insurance information service providers are also elaborated. Finally we summerize the problem existed in the insurance information service and propose countermeasures to promote the development of insurance information service.