A single lever faucet with spray, wherein two cold and hot water inlet holes, a water outlet hole and a through hole are defined in the bottom of the faucet body, and the water outlet hole is connected to a hollow threaded tube, and the through hole is connected to a connecting tube. One side of the peripheral of the faucet body is defined with a chamber and a controlling device, and in the top surface of the faucet body is formed an inserting groove that is connected to the through hole for inserting a discharging base. A tee joint member is mounted between the hollow threaded tube and the connecting tube, a valve room is defined in the tee joint member for installing a diverter valve, and the middle section of the tee joint member is connected to the hollow threaded tube, and the ends are connected to a spray gun and a guiding tube respectively. Therefore, by opening and closing the spray gun, the water that supplied to the spray gun and the water outlet tube can be changed automatically.