This component mounting system comprises: a plurality of production equipment installed on a component mounting line for mounting components on substrates; imaging units installed on the component mounting line for imaging one or a plurality of workers deployed to the plurality of production equipment and the component mounting line; and an image processing unit for performing image processing on images captured by the imaging units in a prescribed production period when products are produced on the component mounting line. The image processing unit displays at least one person from among the one or plurality of workers in a manner where it is possible to visualize the work status of the worker for at least one of the plurality of production equipment at each of a preset plurality of points in time or plurality of periods within the production period.