Courtyard lights are mainly applied to decoration of urban roads, residential roads, industrial parks, landscaping, tourist attractions, Park Gardens, green belts, square lighting and lighting. In the daytime, the courtyard lamps are decorated with the urban landscape. The night courtyard lamps can provide the necessary lighting and convenient life, increase the sense of safety of the residents, and highlight the bright spots of the city, showing the bright style. Modern courtyard lighting not only provides good lighting, but also uses lighting to show the characteristics and unique style of the building itself, and harmonized with the environment.