Dust-reducing street lamp

The invention discloses a dust-reducing street lamp, relates to the technical field of street lamps, and aims at the technical problems that pedestrians or vehicles often pass by the existing dust-reducing street lamp, and if water is sprayed all the time, the pedestrians may get wet, but if the water is only sprayed when a few of pedestrians and vehicles are on the street at night, a dust-reducing effect cannot be achieved. The dust-reducing street lamp comprises a lamp pole and a lamp body, wherein a spray head is fixedly arranged on the lamp body; a sensor is fixedly arranged in a lampshadeat the bottom of the lamp body; a water pipe is arranged in the lamp pole; one end of the water pipe is fixedly connected with the spray head, and the other end of the water pipe is connected with awater source; an electromagnetic valve for controlling water flow is arranged on the water pipe; a control wire of the electromagnetic valve is connected with the sensor; the sensor is used for controlling the action of the el