Provided is a mechanical device management system in which a cause and measure of a malfunction can be considered even when timing to be a point of the cause and measure of the malfunction does not coincide with the timing at which a signal is issued to notify that the malfunction has occurred. A machine device management system 100 comprising: a machine device 200 having an operation screen display device 220 for displaying an operation screen 600 to be operated by a user; a storage device 320 for storing machine operation data including continuous image data generated by constantly acquiring the operation screen 600; a management device 400 disposed at a position different from the machine device 200) and including a display device 420 capable of displaying an image based on continuous image data 902 stored in the storage device 320; and a control device 310 for sending, to the display device 420, the image from an arbitrary time based on the continuous image data 902. 展开▼