The paper focuses its discussion on how to design a network management system specialized in computer networks based on the TCP/IP protocol. At first

the paper introduces a definition of network management and the structure of its system. As a wide area computer system

telecommunications management networks of Tianjin Communications

constructed by Tianjin communications

which is regarded as remote supervision and centralize operation and maintenance for local switch systems. The paper deeply discusses a process in design and realizing of a network management system of telecommunications management networks of Tianjin Communications.