The application of digital projection technology provides new possibilities for the landscape light show to display the city brand image, and the combination of dynamic light show and three-dimensional modeling and other technologies has become an innovative direction for the design of light shows with urban characteristics. This paper analyzes the role of landscape light show in the development of urban aesthetics and the creation of urban cultural image, in the interpretation of the digital landscape, virtual landscape in the development of the role of urban cultural pulse construction, based on the design of the digital landscape production process about the light show. Analyze the beam energy distribution as well as the projection accuracy of the digital lighting landscape stereoscopic projection system designed in this paper. Select city permanent residents, tourists and other city light show perception evaluation survey, analyze the role of city light show in building the city brand image. After the public watched the city’s characteristic light show, the six aspects of the city’s overall image, city image promotion, economic image, residents’ image, cultural image, and governmental image were significantly different from the perceptual evaluation before watching, which indicates that the city light show can effectively enhance the city’s brand image, and it can be used as a way to promote the city’s brand image.
