Provided is a weighing and packaging system including: a weighing unit which weighs and sequentially discharges articles; a discharge chute through which the articles discharged from the weighing unit pass; a foreign matter detecting unit which detects the foreign matter contained in the article passing through the discharge chute; a memory unit which stores quality information pertaining to the quality of the article based on a detection result of the foreign matter detecting unit; and a control unit which controls the memory unit, in which in a case where the foreign matter is detected by the foreign matter detecting unit with respect to the Nth (N is an integer of 2 or more) article discharged from the weighing unit, the control unit controls the memory unit to forcibly store the quality information of the (N−1)th article discharged from the weighing unit as a poor quality.