Water-saving shower nozzle

The invention discloses a water-saving shower nozzle. A water-saving device is installed at one end of a shower nozzle main body, the end, away from the shower nozzle main body, of the water-saving device is in communication with a water inlet pipe, a control button used for controlling the flow of liquid in the water-saving device is embedded in the water-saving device, the outer end face of the water-saving device is sleeved with a control rotating pipe, the water-saving device comprises an outer-layer pipe and an inner-layer pipe, the outer-layer pipe is in communication with the shower nozzle main body and the water inlet pipe, the inner-layer pipe is arranged inside the outer-layer pipe, an outer pipe area is arranged between the outer-layer pipe and the inner-layer pipe, an inner pipe area is arranged in the middle of the inner-layer pipe, a thermal deformation layer is arranged on the outer wall of the inner-layer pipe in an attached mode, and the thermal deformation layer deforms along with the temper