Traditional courtyard lamp is now more and more can't keep up with the development of The Times, can't satisfy people's needs, this basically is the use of it can't be energy saving and efficiency is not good, it is important to the price is not so cheap, it makes the traditional courtyard lamp can not get the favour of consumer, but in the current led garden light get people's approval to use, it is mainly the led garden light availability and price has a very good advantage. Led garden light and traditional courtyard lamp from the point of the modelling of their appearance, may be no difference, but we also know the use of the advantage between them is far, is this why? Actually because they use the light source is different, and led garden light availability is embodied in its use of light source, thus affect the led garden light price. Courtyard lamp light source is commonly adopted by the traditional incandescent lamp, energy-saving lamp and high pressure sodium lamp, the light source is containing mercury elements, can't do security environmental protection effect, and its luminous efficiency and color temperature are not so ideal, may be of high pressure sodium lamp in luminous efficiency is better, but compared with the led garden light use of led light source, or led courtyard lamp has the advantages of better, especially its energy saving effect can be used for its costs have fallen, and with the development of led garden light, led garden light price has also been gradually stable.