In order to achieve a low cost disposable cleaning auxiliary tool with which a cleaning effect in a recumbent state is maintained, and which achieves a significant reduction in hot water usage, prevents water leakage, and reuses waste water, this disposable cleaning auxiliary tool, of which both surfaces can be used, comprises a flexible, non liquid permeable sheet-like material of which both surfaces can be used, and which includes a bottom surface portion, a water guiding portion disposed in such a way as to extend further out from a position serving as a drain port provided at the outer periphery of the bottom surface portion, a bag-like water accepting portion disposed on one surface or both surfaces of an extended end of the water guiding portion, a tubular gas filled portion disposed in an outer peripheral portion of the bottom surface portion excluding the part serving as the drain port, and a gas filling port leading to the tubular gas filled portion, wherein the disposable cleaning auxiliary tool can be folded and stored when the tubular gas filled portion is not filled with gas, the bottom surface portion when supported by the expanded tubular gas filled portion is substantially flat, a recess formed by being depressed by the body of a recumbent person serves as a water reservoir, and a recess formed each time another bottom surface portion is depressed serves as a drainage channel from the water reservoir to the water guiding portion and the bag-like water accepting portion, and the bag-like water accepting portion can be made self-supporting after gas filling.Afin d'obtenir un outil auxiliaire de nettoyage jetable de faible coût avec lequel est conservé un effet de nettoyage dans un état couché, et qui permet de réduire considérablement l'utilisation d'eau chaude, qui empêche les fuites d'eau, et qui réutilise les eaux usées, cet outil auxiliaire de nettoyage jetable, dont les deux surfaces peuvent être utilisées, comprend un matériau stratiforme souple
