Airborne network is one of the key technologies of aircraft avionics system. The real time performance, fault tolerance and correctness of network behavior of it will affect the overall performance of aircraft, and a proper management of it will give an effective play to the performance of the avionics system. Based on research for avionics system network architecture, an avionics system architecture module with cascade double CPC was proposed, taking AFDX network as the backbone network. On the basis of which, as well as in combination with the characteristics of AFDX network and method of TCP/IP network management, research on AFDX network management technology was carried out. Methods of AFDX network management and its implementation were analyzed, such key requirements as its architecture management, fault management and configuration management were proposed, and the network management software was implemented in VxWorks653 operating system.