The street lamp comprises: a heat radiating body comprising top surface, a bottom surface and a plurality of heat radiating fins being formed on the top surface; an LED module comprising a substrate disposed on the bottom surface of the heat radiating body and a plurality of LEDs disposed on one side of the substrate; and a heat radiating body cover disposed on the top surface of the heat radiating body, wherein the heat radiating body cover comprises a plurality of heat radiating openings corresponding to the plurality of the heat radiating fins, and wherein the heat radiating body cover is disposed at positions higher or lower than positions of peaks of the plurality of the heat radiating fins.