Sima Yue is an intelligent document assistant based on AI technology, capable of uploading various formats such as PDF and Word. It allows interaction with documents through voice or text, quickly locating key information. With strong natural language understanding capabilities, it accurately comprehends user queries and extracts key sentences and important content from complex documents, aiding users in analyzing contracts, summarizing industry reports, and evaluating resumes. Compared to traditional page-by-page reading, Sima Yue significantly enhances work and study efficiency, and is widely applicable in scenarios such as contract review and academic paper reading. As a free online tool, Sima Yue demonstrates the immense potential of AI in empowering knowledge work, giving us a glimpse of a simpler future in office tasks.