A drawing component generation device generating a drawing component when a train cab display device installed in a train is to display status of a device installed in a car of a train on a display screen using the drawing component, which is a modularized part of display content to be displayed on the display screen, includes a reception unit providing an input screen displaying entries for information used for generating the drawing component based on a train display definition defining a train formation pattern, and a device layout definition defining a layout pattern, and receiving input of information for the entries from a user; and a generation unit generating the drawing component based on the train display definition, the device layout definition, input information being information input from the user on the reception unit, and a display pattern definition defining display content relating to the status of the device.