Pedal-type tap water switch

The utility model discloses a pedal-type tap water switch which comprises a valve used to communicate a water inlet pipe and a water outlet pipe; a valve core which is matched with the valve is arranged in the valve; the middle of the valve core is provided with a valve rod which extends outside the valve; the valve rod is sleeved with a spring which leads the valve core to seal and press the valve; the outside of the valve is provided with a pedal used to drive the valve rod to move axially; the pedal is arranged on a fixed frame through a rotary shaft fixedly connected with the pedal; the rotary shaft is fixedly connected with a cam; and the cam is matched with the end of the valve rod in a sliding way. The fixed frame and the valve are in an integral structure or in a separated structure. A gasket is arranged between the valve core and the valve. The pedal-type tap water switch has the advantages of reasonable structure, convenient operation and no easy damage, is applicable to tap water pipes in household or office places, and is particularly applicable to toilets or bathrooms.