Basing on the type of business of the domestic telecom operators, the existing technology and a long term evolution direction of fixed network and mobile bearer network status is analyzed. The business transformation of telecom business needs is discussed around the customer value and high quality network construction ideas. With the communication technology, the domestic IP ran bearer network is analyzed in detail. And the IP ran bearing network service bearing network types and related properties are discussed, in order to provide relevant reference scheme for domestic bearing network construction.