GuanYiTang is an online platform based on traditional metaphysics, offering various metaphysical tools such as Ba Zi, Zi Wei Dou Shu, and more, combined with AI technology for deep interpretation. The product uses a rigorous mathematical engine and deterministic algorithms to ensure the accuracy of the destiny charts. The main advantage of this platform is that users can get detailed destiny chart interpretations, helping them make better choices in key life decisions. The service is free, aiming to promote the culture of Yixue (I Ching).