A method of monitoring a power device is performed by a power device monitoring server that can be connected to a plurality of power devices. The method of monitoring the power device comprises the steps of: storing monitoring data received from the power devices in a monitoring data storage and storing the monitoring data in a database; and transmitting the monitoring data stored in the monitoring data storage to a power device monitoring terminal. [Reference numerals] (110) Power device; (120) Power device monitoring terminal; (130) Power device monitoring server; (AA) Network
