Modern urban construction pays more and more attention to the requirements of environmental design. The improvement of architectural environment is closely related to the development of contemporary social productivity and the level of science and technology. Membrane structure is a new form of architectural technology with the development of modern science and technology. It is a comprehensive product of the rapid development of material science, architectural science, structural mechanics and environmental science. Beautiful form and reasonable design of cable-membrane structure architectural landscape sketches play an important role in today's architectural environment design. Designers hope to constantly introduce new design elements in modern architectural environmental design, cable-membrane structure itself has the characteristics of multi-function, diversity, fashion and environmental protection, which well meet this demand. Nowadays, the landscape foil of cable-membrane structure sketches in the environment often becomes the main role of environmental beautification.