Aobao is an important carrier of Mongolian sacrifice. Ancient Mongols worshipped everything as gods, so they also worshipped the parts of the earth such as mountains and rivers or the gods in charge of these parts.
Extended data
The Mongolians are known as the "riding nation", who have lived with horses for generations. The magical war horses have made the Mongolians famous in the world and brilliant for a while. A good horse is the spiritual sustenance of the Mongolian nation. Nagegan Chagan Aobao has a white horse converted to divinity, and usually lives alone in the depths of the grassland.
There is a legend: a pony cared for by the gods of Aobao, thousands of miles away, has the ability to fly in the clouds and the air. On the day of offering sacrifices to Aobao, "Tianma" should be invited to Aobao Mountain. While praying for peace and tranquility to the gods in Aobao, herders should also pay homage to the gods in their minds, hoping that the gods will bring good luck to the grassland and the nation.
Baidu Encyclopedia-Aobao
Baidu encyclopedia-Aobao sacrifice