Biyong, originally a university established by Emperor Zhou, has a circular campus with a pool around it and a temporary bridge outside the front door. Every dynasty after the Eastern Han Dynasty had Biyong as a place to respect Confucianism and salute. Except the imperial academy Preparatory School (also known as "Westernization") at the end of the Northern Song Dynasty, it was a place for drinking, hunting and offering sacrifices in the countryside.

Han Bangu's White Tiger Tongbi Yong: "What does the son of heaven represent? Therefore, rites and music are also virtuous. Jun is also like a round wall, which is like educating the world and being on the water side. " ?

Li Daoyuan's Notes on Water Classics and Valley Water in the Northern Wei Dynasty: "Go straight to the north of Tang Ming, which was established in the first year of Guangwu in Han Dynasty, and find its basic structure. Below the upper circle, there are nine twelve halls. " Cai Yong? The same is true of "Moon Order Chapters". For the sake of the monarch, you should draw water under them. "Yuan? Fang xing? The poem "Send Jia to punish Huo Qiu" says: "Do you belong to the propaganda room with me? "

Qing? Qian Yong? Shi Guwen in the Zhou Dynasty: "With the help of Qianlong and Geng Xu, Emperor Gao Zongchun visited Biyong, saw the stone drum and set up a lifting fence to shelter him from the wind and rain."

According to the History of the Scholars, Bi Yong in the Eastern Han Dynasty was built in the first year of Guangyuan (AD 56), and Guangwu died before he could inspect its territory. When Ming Di ascended the throne, he did it himself.