The Longyuan AI Detection System is a high-tech product that utilizes big data and artificial intelligence technologies to provide services in fields such as academic research, educational assessment, and cultural media. The system precisely detects AI-generated text and plagiarized content regardless of text length, type, or context. It employs distributed computing and cloud deployment technologies to rapidly respond to and process a large volume of text requests, while automatically identifying and filtering effective texts to enhance detection efficiency and accuracy.