Artificial intelligenc (AI) has advanced rapidly, leading to the proliferation of AI-generated content across various platforms. While this technology enriches information availability, it also poses significant challenges, including the spread of misinformation, disruption of communication order, and the emergence of sophisticated scams. To address these issues, China's cyberspace administration, along with three other departments, jointly issued a regulation on labeling of AI-generated content, effective from September 1, 2025.