A label generation apparatus includes an image acquisition interface, a printer interface, and a processor programmed to acquire through the image acquisition interface a captured image including an article and a shelf on which the article is located, to specify information about the article and a position of the article on the shelf based on the captured image, generate shelving allocation information based on the information about the article and the position of the article on the shelf, and communicate with a printer through the printer interface to generate a label of the article based on the shelving allocation information.