Developed Rust language support for the RT-Thread real-time operating system, focusing on seamless integration within the existing build system in the levizh/rt-thread repository. The work introduced modular configuration options, enabling conditional compilation of Rust components and allowing developers to selectively include Rust-based features as needed. This approach enhanced the platform’s extensibility and made it possible to build RT-Thread applications using Rust alongside traditional system programming techniques. The implementation required a strong understanding of embedded systems, RTOS architecture, and Rust’s build tooling, resulting in a foundation for future Rust application development on RT-Thread without introducing regressions or breaking existing workflows.