This paper first introduce the business service management concepts,main functions and evolution priciples,secondly analyse face challenge in the course of practice,finally bring out the developing trends in the furture.

In NGN,service management server is one important function entity of service support environment.

Because the components of property right are complicated, it s very hard to clearly define who are related of it, which results in the contradiction between the supply and demand of the service of property management and its price.

Studies of the Property Management Service Chain;