Jia Shan is a legendary scholar.
Carefully pursue a dream of red mansions,
Crossing the Yangtze River of Qin Public Security.
According to Jia's surname, it mainly comes from the descendants of the eldest son of Xuanyuan Huangdi, so Xuanyuan Huangdi is the ancestor. Jia Shan, a native of the Han Dynasty, took the demise of the Qin Dynasty as a metaphor, told the court about the ways to control chaos, and wrote the book Yan Zhi. The inscription on Jia Ancestral Hall in A Dream of Red Mansions reads: Be cautious in the end and pursue the distance. On Guo Qin and Public Security Policy are the works of Jia Yi, a minister and political commentator in the Western Han Dynasty, and Collection of the Yangtze River is the work of Jia Dao, a poet in the Tang Dynasty.