Outdoor Lights is a kind of lighting used to decorate the exterior of buildings and improve the aesthetic beauty of the urban landscape. It has become an important part of urban landscape design and has a great impact on night lighting environment. Outdoor Lights can be compositionally divided into three types: decorative lights, safety lights and functional lights. Decorative lights are used to make the night scenes of the city more beautiful. They are usually composed of floodlight, projection lamp, neon light and other lamps, which can form a bright and colorful landscape and introduce a unique skyline to the city. Safety lights are used to illuminate the city streets and parks. They are often mounted on the walls and poles of roadsides or parks. The combination of floodlights and spotlights can form road forward lighting, provide security lighting and other functions. Functional lights are used to illuminate work areas. The lights required for different functions have their own characteristics. For example, floodlights are suitable for mining, building site, airport and other places. As a kind of aesthetic lighting, Outdoor Lights is used to light up and decorate the exterior of the buildings and create a beautiful and colorful night scene for the city. At the same time, it is also playing a more and more important role in ensuring the safety and convenience of the citizens. In summary, Outdoor Lights is playing an increasingly important role in our lives.