Abstract: The development of the construction industry affects the development of the country's economy and also affects the lives of the people.In order to better provide a safe and reliable living and working environment for the broad masses of people, The design and construction level of construction projects must be improved and valued to ensure the overall quality of construction projects.BIM technology is now widely used in modern construction engineering, and it plays an important role in building structure design.It plays an important role in the design of building structures and plays an important role in the design phase of construction projects.Based on this, this article expounds the main characteristics of BIM technology, and analyzes the specific application of BIM technology in building structure design, in order to further promote the development of my country's construction industry.