PURPOSE: An LED lamp is provided to improve heat radiation by improving heat conductivity efficiency through a heat pipe. CONSTITUTION: A plurality of LEDs are mounted on a substrate(100). One or more first hollow parts are formed on the substrate. A body(200) is arranged on one side of the substrate. The body includes an air flowing part corresponding to the first hollow part. A protection unit(300) is arranged on the other side of the substrate. The protection unit has the first hollow part and a second air hollow part corresponding to the air flowing part. The second hollow part is comprised of a plurality of hollow holes. A fixing unit fixes the body.
