A robot system includes a processing apparatus that detects one work from a plurality of works, and a robot that operates the detected one work. The processing apparatus includes a display unit that displays image data containing an image of the plurality of works captured by an imaging apparatus, a selection unit that selects a first image and a second image from the image data, and a processing unit that generates a model based on the first image and the second image and detects the one work using the generated model.