PURPOSE: A street light using the light emitting diode is provided to obtain the view of a driver by using the visual cap having the depth of the light of the light emitting diode. CONSTITUTION: A substrate having the light emitting diode is inserted into the inner bottom of a square cap(30). A connecting rod(31) is formed on both sides of the outside of the square cap. A fixing plate of the round shape is installed on the lower part of the head with the constant interval. A fixing hole is formed on the fixing plate.