The foot-operated sink valve is a foot-operated control valve installed under the sink or countertop sink. The user controls the water flow switch by stepping on the foot, realizing contactless water discharge operation. This product is suitable for places with high requirements for hand cleanliness, such as operating rooms, food processing areas, and public washbasins. The foot valve can control single cold water or mixed hot and cold water, and has high responsiveness and stepping resistance. Chinese faucet factories can provide a complete set of systems including foot valve components, sink faucets, brackets, connecting hoses, etc., support customization of standard installation hole sizes, and optional materials of brass, stainless steel or chrome-plated copper, suitable for customer project engineering or medical equipment export.