The initial LTE network lack of maintenance method, the quality and efficiency of operation and maintenance in LTE system has become a key issue of network monitoring system, through the analysis of each network element function and interface protocol of the LTE system, the LTE system monitoring program proposed, afterthought the analysis of signaling point selection and network organization, the construction of LTE signaling monitoring system can real-time monitoring, network fault found in a timely manner, guarantee quality of network.