Water -saving faucet

The utility model provides a water -saving faucet, including leading body and outlet pipe, inner valve element pipe and play water core pipe, tap body and outlet pipe integrated into one piece, clearance between tap body and the inner valve element pipe is provided with the filling layer, peg graft between inner valve element pipe and the play water core pipe and set up, the outside that goes outwater core pipe along fixed be provided with with first piston baffle of the inner chamber matched with of outlet pipe and second piston baffle, on the outlet pipe fixed be provided with with the gasstorage chamber pump bowl that is linked together, it is provided with air pumping piston to slide along upper and lower direction in the pump bowl, the air inlet has been seted up on the pump bowl, air inlet department is provided with one -way admission valve, the gas outlet has been seted up on the second piston baffle, the gas outlet play is provided with the pneumatic valve, the tip of outletpipe is provided with the