LAUSR

City is a kind of structure and form of institutionalization of materialization, culture and group survival management in the process of human civilization. Public art is the embodiment of the ideal and passion of modern urban culture and urban life, which is a unique way to shape, memorize and enjoy the city and is the symbol of the geographical location and geographical features of the urban cultural spirit. Especially in the field of art, the emergence of digital art has begun to occupy a place in the palace of art, and the public art of the city has also begun to digitize. In terms of digital city public art, interactivity has gradually become an important characteristic. Under the influence of the interactive features of digital city, the subject of this paper is “digital public system of urban art”, and systematically studies the theory and method of performance based on digital art of public art, explores the development trend of new creative ways in the future, and provides theoretical reference and guiding practice for the development of urban public art.