White Dragon Horse, a character in Journey to the West. Bai Longma was originally the third prince of the Dragon King of the West Sea, whose real name was Ao Lie. He violated the law of heaven by setting fire to the pearl rewarded by the Jade Emperor. He was later saved from death due to the intervention of Guanyin Bodhisattva in the South China Sea. He was demoted to Snake Pan Mountain to wait for Tang Shu to learn the scriptures. Later, he accidentally After eating the white horse ridden by Tang Monk, he was enlightened by the Bodhisattva and transformed into a white dragon horse. He converted to Buddhism and carried Tang Monk to the West to obtain Buddhist scriptures. Finally, he achieved enlightenment and was promoted to the Eightfold Heavenly Dragon Guangli Bodhisattva.

The Dragon King of the West Sea is one of the Four Dragon Kings and one of the four spirits in ancient Chinese myths and legends. As an important belief among the Han people, Dragon King temples are built in various places to worship the Dragon King. There are many seated statues in the temple, usually only one Dragon King. Because it is said that dragons can move clouds and bring rain, ward off disasters and bring blessings, symbolizing auspiciousness, dragon dancing to pray for peace and a good harvest has become a custom among the Han people across the country. The "Taishang Dongyuan Divine Curse Sutra" contains the "Dragon King Grade", which lists the "Five Emperors and Dragon Kings" distinguished by their directions, the "Four Sea Dragon Kings" distinguished by the ocean, 54 dragon kings' names and 62 dragon kings distinguished by the heaven and earth. The name of the famous dragon king. The Dragon Kings of the Four Seas are: Ao Guang of the East China Sea, Ao Run of the West Sea, Ao Qin of the South China Sea, and Ao Shun of the North Sea. They are called the Dragon Kings of the Four Seas.