The invention provides an electric power communication network regional security warning method and a system thereof. A monitoring view is created, and then property state information of electric power communication equipment in every key monitoring area is showed in sequence by the monitoring view according to preset time. Alarm judgment is carried out for the property state information of the electric power communication equipment in the key monitoring areas through utilizing a multilevel threshold approach, and position information of the corresponding electric power communication equipment is showed when an alarm is given. Accordingly, key monitoring is carried out for the key monitoring areas of an electric power communication network, early warning is given before an accident happens, and the information of equipment alarmed can be obtained accurately so as to bring convenience for maintenance personnel to achieve maintenance and first-aid repair. Electric operation and maintenance personnel can carry out corresponding communication support as for communication support of an important event, for example, as for the comprehensive warning presentation of the important event, as for the emergency scheduling guarantee process of the important event, and the like. Accordingly, the network operating guarantee capability of the electric power communication support is improved.