With the gradual improvement of social and economic levels, cities not only meet people's basic living needs, but also have an artistic expression to a certain extent, and the public pays more attention to the beauty of the external environment. Landscapes in cities are settlement landscapes characterized by man-made landscapes, which are not only a cultural resource but also an ecological environment resource. Murals are also the first works of art of mankind. According to records, murals are the largest number of artworks in China. It is a popular work of art, representing social functions with historical value, aesthetic value, political significance, and educational function. Due to the great influence of the latest technology and emerging technology on urban art concepts, murals are widely used in urban public landscapes in Europe and America. Its grand and strong space coverage, not wasting too much space, and its imperceptible influence on vision make it the main element of urban public art. Therefore, the mural design in the urban public environment can improve China's current urban atmosphere and enhance urban characteristics. Bring the citizens a historical and cultural understanding of the urban environment they live in and enjoy art. According to the interrelationship between the city and the public environment and the human mural art, based on the relevant theoretical knowledge of urban planning and design, urban public art management, and based on the basic characteristics of human mural art, this study combines a large number of domestic and foreign cases, starting from the characteristics of the natural environment and human urban environment. This article studies the relationship between mural design and architectural design concepts and concepts in urban public environment landscape design.