Outdoor lights is an important part of outdoor decoration, not only can make the outdoor environment more warm, but also can be used to provide lighting for outdoor activities or serve as a deterrent to criminals. Outdoor lights mainly include landscape lights, general outdoor lights and illumination lights. Landscape lights are mainly installed on gardens, courtyards and other places to embellish the environment; General outdoor lights can be installed in roads, engineering and other places, mainly serve as road lighting, may also have warning and indication function; Illumination lights are mainly used in large-scale lighting, such as city squares, parks and other places. When choosing outdoor lights, you should choose LED energy-saving lamps which have better lighting performance, longer life, more energy saving and more heat dissipating ability. In addition, it should be selected according to the shape and size of the outdoor environment, the use of the space, etc., so as to make the lighting effect ideal. In addition to pay attention to the choice of outdoor lights, but also pay attention to the correct use, for example, should pay attention to waterproof, when using do not connect power for a long time, in order to avoid fire or other accidents. In a word, the correct choice and use of outdoor lights can not only beautify the environment, but also ensure the safety of people's activities at night, so the purpose very meaningful.