Foam water-saving sanitary appliance

The invention discloses a foam water-saving sanitary appliance, structurally comprising a base, a closed adjusting device, an upper closing cover, a machine body, a switch and a water tank, wherein the base is horizontally arranged on the lower surface of the closed adjusting device; the closed adjusting device is movably connected with the upper closing cover through a rotating shaft; the base ishorizontally arranged on the left surface of the machine body; the water tank is embedded inside the machine body; a movable clamping toothed plate is limited and adjusted by a movable clamping lath,so that a adjusting plate can adjust the caliber of a cushion and also can be stably limited; a side sealing mechanism inside the closed adjusting device prevents the impacting water flow from beingoverlarge during drainage and from splashing, and prevents bacteria in the excrement from scattering to the outside and bringing harm to the physical and mental health of people, meanwhile, when the toilet is used by the childr