YuYin is an online platform focused on Chinese pronunciation learning. It utilizes advanced AI technology to provide users with real-time pronunciation analysis and tone feedback, helping learners quickly master Chinese pronunciation. This platform is suitable for all learners who wish to improve their Chinese speaking skills, whether beginners or advanced students. Its main advantages are instant feedback and personalized learning paths, which can effectively improve learning efficiency. The platform uses a subscription-based payment model, providing diverse learning resources and progress tracking features.