FullStack Bench is a multi-language full-stack programming benchmark that spans a wide array of application domains and includes 3,000 test samples across 16 programming languages, significantly advancing the capabilities of code language models in real-world code development scenarios. This product represents the application of programming language models in the full-stack development field, where its significance lies in its ability to evaluate and enhance model performance in practical programming tasks, making it a valuable resource for developers and AI researchers.