[Problem] To provide an article detection device for an article vending machine, which can accurately detect an article stored on a shelf. [Solution] A sold-out detection device (article detection device) for an article vending machine comprises: a carry-out mechanism 55 that is provided on a shelf 13 storing articles placed side by side in a front-rear direction, and sequentially carries out the articles to the front side on the basis of a sale instruction; and a detection unit 80 that is installed at a front end portion of the carry-out mechanism 55 to be able to displace a front-rear position and detects whether or not an article is placed at the front end portion. When the detection unit 80 detects that the article is not placed at the front end portion of the carry-out mechanism 55 for a predetermined period, a determination unit determines that the article is sold out in the carry-out mechanism 55.