Abstract: A multi-stage water saving toilet includes a toilet bowl, a toilet tank, a flushing device, and a control device includes a drive member, a rechargeable battery, a display, a set and operation unit including a set button, a selection button, an increase button, a decrease button, a test button, a urine flushing button, and an excrement flushing button, a microprocessor for controlling the display and the drive member, a power unit being either deactivated when the set and operation unit is not activated or activated to supply power from the battery to the microprocessor, the drive member, and the display. The toilet can be set to a minimum quantity of water for flushing urine or excrement.