<p>An electronic part mounting system includes: a plurality of electronic part mounting devices for mounting parts supplied from a plurality of part supply devices (Df) on a substrate; and a part management computer (40) communicably connected to the respective electronic part mounting devices and managing parts of the respective part supply devices. The part management computer (40) notifies a part management operator (OP2) in advance which part supply device is to be set on the electronic part mounting device.</p>
