Currently, designers typically rely on their design experience to create building shapes and structures. However, designing the shape of a unique and complex venue can be challenging. Traditional design methods are often time-consuming and require a significant amount of resources, and may not effectively address the complex issues that arise when designing irregular venue structures. This paper focuses on a special-shaped space structure as the research subject, utilizing parametric technology to design the structure. The BIM design concept is integrated into the design process to solve structural selection and analysis problems. A parametric model of the structure is established using Grasshopper. In this process, Abaqus is used to calculate, analyze, and optimize the structural mechanical properties of the model. Finally, a three-dimensional model application is created using BIM software, which can provide new ideas and methods for structural engineers to solve the design challenges of special-shaped space structures.