A work machine management device, comprising: a receiving unit configured to receive state data transmitted from at least one of a plurality of work machines (a1 to an, b1 to bn, c1 to cn) working in a work site, the state data including a current position of the work machine received by the receiving unit, sensor data indicating states of various sections of the work machine, and alarm data indicating that the work machine has determined that an abnormality has occurred in the work machine; and a display device configured to display a classification result of an operating level classifying unit, the work machine management device (BC, TM1 to TMn) being characterized in that: the work machine is a hydraulic excavator, an operating level classifying unit is configured to classify an operating state of the work machine as being any one of four operating levels that are set in accordance with symptoms of abnormalities based on the state data received by the receiving unit, the four operating levels include a level meaning that no factor indicating a fault in an operation of the work machine has been found, a level meaning that a symptom has been observed of a fault with the work machine, a level meaningthat a problem liked to a serious fault is occurring with the work machine, a level meaning that communication between work machine and a base station is interrupted, and the display device is configured to display a map upon a display screen, and also display a symbol indicating the operating level of the work machine as classified by the operating level classifying unit in different ways, superimposed upon the map at a position within the display screen that corresponds to the current position of the work machine based on the state data, and a list of the work machines included in the map. a receiving unit configured to receive state data transmitted from at least one of a plurality of work machines (a1 to an, b1 to bn, c1 to cn) working in a work site, the state data including a current position of the work machine received by the receiving unit, sensor data indicating states of various sections of the work machine, and alarm data indicating that the work machine has determined that an abnormality has occurred in the work machine; and a display device configured to display a classification result of an operating level classifying unit, the work machine management device (BC, TM1 to TMn) being characterized in that: the work machine is a hydraulic excavator, an operating level classifying unit is configured to classify an operating state of the work machine as being any one of four operating levels that are set in accordance with symptoms of abnormalities based on the state data received by the receiving unit, the four operating levels include a level meaning that no factor indicating a fault in an operation of the work machine has been found, a level meaning that a symptom has been observed of a fault with the work machine, a level meaningthat a problem liked to a serious fault is occurring with the work machine, a level meaning that communication between work machine and a base station is interrupted, and the display device is configured to display a map upon a display screen, and also display a symbol indicating the operating level of the work machine as classified by the operating level classifying unit in different ways, superimposed upon the map at a position within the display screen that corresponds to the current position of the work machine based on the state data, and a list of the work machines included in the map. the work machine is a hydraulic excavator, an operating level classifying unit is configured to classify an operating state of the work machine as being any one of four operating levels that are set in accordance with symptoms of abnormalities based on the state data received by the receiving unit, the four operating levels include a level meaning that no factor indicating a fault in an operation of the work machine has been found, a level meaning that a symptom has been observed of a fault with the work machine, a level meaningthat a problem liked to a serious fault is occurring with the work machine, a level meaning that communication between work machine and a base station is interrupted, and the display device is configured to display a map upon a display screen, and also display a symbol indicating the operating level of the work machine as classified by the operating level classifying unit in different ways, superimposed upon the map at a position within the display screen that corresponds to the current position of the work machine based on the state data, and a list of the work machines included in the map.