An article boxing system includes an image processing apparatus, a first robot, and a first controller. The image processing apparatus detects edges of an article based on an image of the article. The image processing apparatus calculates information relating to a conveyance state. The first robot includes a hand unit and an arm adjusting three-dimensional coordinates and an inclination of the hand unit with respect to a conveyance direction. The first controller controls an operation of the arm to move the hand unit in correspondence with the information relating to the conveyance state and causes the hand unit to adsorb the article, when the article reaches an operation range of the first robot.