The invention discloses an IMS full-service network monitoring intelligent operation and maintenance support system based on big data analysis, and the system comprises a processor which receives resource management data, service acceptance data, signaling monitoring data, and alarm monitoring data collected by a data collection end, and carries out analysis, storage, and display; the processor comprises an IMS operation, maintenance and monitoring module, a resource management and overhead account module, a key extension monitoring guarantee module, a visual monitoring module, a system management module and a statistical analysis module. The method has the advantages that integrated, intelligent and automatic operation and maintenance management of all devices and terminals of the IMS exchange network is achieved, a user real-name system is achieved, the operation and maintenance work efficiency and the operation safety and reliability of the IMS exchange network are improved, and better technical support is provided for operation and maintenance and management of electric power communication.