An article conveying device having a temporary placement section and capable of conveying articles. The article conveying device has: a supplying section configured to sequentially convey or supply plural articles; a discharging section configured to sequentially convey plural containers for containing the articles; a temporary placement section on which at least one article can be temporarily placed; a first detecting section configured to detect a position/posture of the article on the supplying section and successively detect an amount of movement of the supplying section; a second detecting section configured to detect a position/posture of the container on the discharging section and successively detect an amount of movement of the discharging section; a working machine configured to convey the article between the supplying section, the temporary placement section and the discharging section; and a controlling section configured to control the working machine based on a predetermined condition.