The invention provides a consumable container, an information processing system and an information processing method. The consumable container comprises a shell and a cavity surrounded by the shell, wherein the outer wall of the shell is provided with a record strip comprising a plurality of magnetic bodies. The information processing system comprises a demagnetization device, a demagnetization controller for controlling the work of the demagnetization device, a plurality of magnetic bodies of which magnetism can be removed by the demagnetization device, and a magnetic field sensing apparatus. The information processing method comprises that: the magnetic field sensing apparatus detects the amount of the magnetic bodies with the magnetism on the record strip and transmits the detection result to a body controller; the body controller judges whether the consumable excess is enough in the consumable container, and if the consumable excess is enough, printing work begins, otherwise, warning information is sent out; and after the printing work begins, the body controller judges whether the magnetism of one magnetic body needs to be removed, and if the magnetism needs to be removed, the demagnetization device removes the magnetism of the magnetic body, otherwise, the judgment is continuous. The invention can effectively avoid occurrence of abnormal work situation because the related information of the consumable container cannot be read.