Abstract: Disclosed is a water supply operated by a foot, in which the type or water such as warm or cold water is selected and the flow rate of water is regulated by operation of a foot. The water supply (53) has a ceramic cartridge inserted at the inside of the water supply and lever (91) fixed with operating pedal (54) whose upper plate has constant thickness when the cartridge is laid horizontally. According to a degree to push the pedal toward “A” portion, the flow rate of water supply is regulated, and according, to selection of “C” or “D” portion of the pedal, warm or cold water is selected. Thus, since the water supply is operated by a foot, it facilitates its use.