A commodity management apparatus includes, a weighing dish on which a container having a wireless tag attached thereto is mounted, an antenna which forms a region to communicate with the wireless tag from the side part of the weighing dish to the upper part of the weighing dish, a tag reader which contactlessly reads, via the antenna, data in the wireless tag attached to the container, a weight detection unit which detects the weight of the container mounted on the weighing dish, and an output control unit which outputs the weight of the container detected by the weight detection unit and the data in the wireless tag read by the tag reader.