Introduction to Stone Bed: The Emperor's Stone Bed has an inseparable relationship with Zhu Yuanzhang. There is a folk saying: "The emperor Yuanzhang sat firmly on the stone bed, and the cowherd doll kowtowed; if someone else sat on it, he immediately rolled and fell out of the bed." These four jingles tell the story of Zhu Yuanzhang sitting firmly on the dragon throne here.