To surely prevent the burglar and mischief of the stored washing in a washing storing device for storing and keeping the washing given by a customer in a laundry or the like by constantly closing an intermediate door during the time when a washing inlet door is opened.

When a cleaning bag including the washing is put in a storing device body to be stored in a storing net 26, an inlet door 3 is opened in the condition that a front intermediate door 16 and a rear intermediate door 17 are closed, and the bag is placed on the intermediate doors 16, 17 used as the bottom of a temporary storing chamber HTP. Then the inlet door 3 is closed, and locked when the closing of the inlet door 3 is detected by an inlet door opening switch, and the intermediate doors 16, 17 are opened. That is, the front and rear intermediate doors 16, 17 are opened by driving drive motors 18a, 19a to drop the bag, and the bag is stored in the storing net 26. After a lapse of a predetermined time, the drive motors 18a, 19a are driven in the direction opposite to that in the opening of the intermediate doors 16, 17 to close the intermediate doors 16, 17.