The LED street lamp will eventually become the chief substitutes for high pressure sodium vapour lamps. Its components can operate in a low voltage, so it is safe when operating. This design accords with relevant safety and street lighting standards. The LED street lighting has greatly energy-saving capacity. In addition, the product features high luminous efficiency and low lumen depreciation. When it is operating, the lighting is distributed properly, showing a unique optical design. Compared with the traditional street lamps, the LED street lamp reduces the maintenance costs.