Aluminum alloy has special advantages in modern architectural applications, such as shape design, appearance and molding. In addition, aluminum alloy has another more important advantage: sustainability. Today, 95% of the aluminum products used in construction are recyclable and made into the same quality products. With the rise of "green building" all over the world, green building materials are the product of the development of science and technology, which make up for the shortcomings of traditional building materials, such as polluting the environment and high energy consumption, and have the functions of repairing the environment and purifying the nature, and promote the development of modern construction industry.