In Erlang temples all over China, God's eye is one of the most striking signs. As for the third eye, it comes from Can Cong, the king of the ancient Shu kingdom. It is the product of ancient Shu culture. The condition for the formation of the third eye is the belief of "worshipping eyes" in ancient Shu. "Guan Jiangbei" records: "Jiro is Can Cong, so there are vertical eyes on his forehead."
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A saying handed down from the ancient northwest nomadic Di nationality: Yang Erlang was a god hunter for the Di nationality, with three eyes, a white horse and a Mao Mao dog, holding a three-pointed double-edged knife and being good at archery. Tijen lived by herding horses, and many of them were good horses and dogs. But because horses run fast, they often get lost, so finding horses has become a big problem.
So people hope to have a god with three eyes, who can easily help them find horses. This god is the horse god, the horse owner! Because of the sinister environment, horses are often attacked by wolves, bears and other wild animals, so people hope that this great god has a world-beater dog and a world-beater galloping horse on his leg, so as to catch up with horses and hunt wild animals.
Coupled with accurate archery, this great god is invincible! ! During the Han Dynasty, when Zhang Qian went to the Western Regions, most of the good horses he brought back were Di horses. There are many Populus euphratica in the area of the Di nationality, so Emperor Wu of the Han Dynasty added a royal family named Yang to the Di nationality. Later, after the integration of the border and Han dynasties, there appeared a great god with three eyes, a white horse and a white dog-Erlang God. Because the Di royal family is surnamed Yang, and Erlang God is also surnamed Yang.
Baidu Encyclopedia-Erlang God