What is the identity of the waiter Chase?

"Datong history" refers to a position in the ancient court, which is mainly responsible for astronomical astrology and calendar work. At the same time, Datong Stone is also responsible for the emperor's worship to heaven, divination and other religious activities.

At the end of the Northern Song Dynasty, Song Huizong decided to replace the old officials, guests and provincial envoys with fifty-three military posts and two doctors. All-time doctors are generous, open-minded, natural and accessible.