An operation assistance apparatus 10 includes: an image data acquisition unit 11 configured to acquire image data according to equipment; an inquiry receiving unit 12 configured to receive an inquiry about an operation of equipment; an equipment identifying unit 13 configured to identify equipment included in an image, based on the acquired image data; a matched information extraction unit 14 configured to extract information that matches the received inquiry from information according to the identified equipment; and an information display control unit 15 configured to display the extracted information on a screen.