A composite valve quantity-free high pressure water-saving cistern and a closet pertaining to sanitary equipment water conservation products are characterized in that a water inlet pipe is disposed at the middle part of a overpressure-resistant gas-storage water container underplate water outlet pipe, a valve is disposed above and under the water inlet pipe respectively, a torsion bar in the cistern is driven by a knob out of the cistern, the upper valve cover is lifted by the extension spring to preset water amount, falls with water automatically to restrict water amount when the lower valveopens to discharge water, and resets automatically after the valve is closed to charge water, so that quality free stepless regulation high pressure highly effective flushing is implemented; a sealing ring is provided with the closet cover to implement pressure maintaining and efficiency improving, and water is saved by above 65 The invented device is used conveniently, is easy to produce, and isdurable.