Water saving control valve

The utility model relates to a water saving control valve which is used for preventing water supply pipe from water leaking. The technical schemes of the utility model is composed of a case, a plugging head, a spring and a spring base. The plugging head is hermetically matched with the inner end face of the water inlet of the case. The spring base is fixed on a water outlet arranged in the case. A channel communicated with a pipe is arranged on the spring base. The spring is connected between the plugging head and the spring base. The inner end face of the water inlet of the case presents a horn form in order to increase the hermeticity of the plugging head. The plugging head matching with the inner end face of the water inlet of the case presents a horn form. The plugging head and the binding site formed by the spring base and the spring are all provided with grooves. The water inlet end of the case is provided with an outer screw, and the water outlet end is provided with an inner screw in order to provide convenience for the connection of the water saving control valve and the pipe. The utility model has the advantages of simple structure and easy use. The water saving control valve can effectively avoid water leaking caused by incompletely closing a gate valve, and exact measurement of water consumption can be much increased after connecting with a water meter.