With the launch of the"Belt and Road Initiative"and the promoting of related projects,the level of interconnection in the field of infrastructure construction has increased significantly.The Bar-Boljare Highway project is a business card for Chinese companies to enter into the European infrastructure construction market,and it is also a typical representative of the in-depth cooperation between Chinese and foreign design teams and the full integration of Chinese and European design concepts and methods.Based on the application of BIM technology,in the paper the method of using local road design software GCM to carry out three-dimensional road design is introduced,and its functions and characteristics are concluded,which aims to provide ideas for the application of BIM technology in China,and will provide some reference for other road design work in Central and Eastern Europe.