With the acceleration of urbanization and the improvement of people’s living standards, people have increasingly higher requirements for the living environment, especially in the design of outdoor balconies. However, existing landscape balconies generally suffer from insufficient shading and rainwater drainage problems, which affects people’s living experience. In response to this problem, this article proposes a new design scheme for building landscape balconies to solve the existing problems of landscape balconies. This design plan fully considers the user’s usage needs and scenarios, improves the use value and comfort of the balcony through technical means, and achieves intelligence and functionality