Abstract: This article mainly introduces the application effect and optimization suggestions of BIM technology in the installation stage of key equipment in plateau and high-altitude areas. By accurately simulating and optimizing the installation process, BIM technology significantly improves installation efficiency, reduces installation costs, and improves installation quality. Moreover, this technology improves the speed of information sharing, making collaboration among participating units more convenient, and enhancing the collaborative work ability and decision-making level of project management teams. The article also emphasizes the importance of the accuracy and completeness of BIM models in improving application effectiveness, and proposes a series of optimization suggestions. This includes enhancing the accuracy and completeness of BIM models, improving the BIM technology application capabilities of all participants, strengthening the integration and collaborative work of the BIM platform with other information systems, and continuously optimizing the functions and performance of the BIM platform. This article comprehensively demonstrates the application effects, optimization suggestions, and future development directions of BIM technology in the installation stage of key equipment. By delving into the application value and challenges of BIM technology, this article can provide valuable references and guidance for professionals in related fields, promoting the widespread application and sustainable development of BIM technology in the installation stage of key equipment.