Donghua Emperor generally refers to Dong, also known as Fusang Emperor and Donghua Emperor, and gradually became the ancestor of Quanzhen religion in the Song Dynasty.
Dong is the latest recorded god in the Han Dynasty. There are several theories about his origin and belief formation in academic research. Guo Moruo's Ancient Society in Oracle Bone Inscriptions: In myths and legends, one person becomes more than two people, and one thing becomes more than two.
Dong's birthday is the sixth day of the second lunar month. In Taoist mythology, the Queen Mother of the West is in charge of all female immortals and Dong is in charge of all male immortals. The Jade Emperor is the head of the immortals and the emperor of the gods.
The appearance of Dong's name is closely related to the concept of Yin and Yang in the late Qin and Han Dynasties. So many important gods in Qin and Han dynasties became a pair of spouse gods. For example, in the pre-Qin period, Heng E married Yi, Fuxi married Nuwa, and Dong in the pre-Qin period also married the Queen Mother of the West. After being absorbed into Taoism at the end of the Han Dynasty, the two were juxtaposed, roughly below the Sanqing and above the Si.