Sima Zhong (259-306), Emperor Hui of the Jin Dynasty, suffered from dementia. At that time, the world was in chaos and the people starved to death. He said: Why not eat meat? The power of government is controlled by Empress Jia Nanfeng.

Empress Jia (257-300), a minister of the early Jin Dynasty, was a woman of Jia Chong, who was sexually abusive and deceitful. She "corrected" and ordered Chu Wangwei to lead the Northern Army to kill Runan Wang Liang. At the same time, she killed Chu Wangwei on the charge of killing the minister with "pride". Empress Jia relied on her mother's uncle Guo Cai, her brother Jia Mo, and her nephew Jia Mi's strength. She began her dictatorship for 10 years from July 26, 291 (June 13, the year of Kang and the year of Jin and Yuan, which is now {sys: (year (now) -291) } years ago. In 299, she abolished the crown prince as a concubine.

In 300, King Lun of Zhao used Sun Xiu's strategy to raise an army to depose and kill Empress Jia. In 301, the King of Zhao abolished Hui Bu and established himself as emperor. Since then, the rulers of the Western Jin Dynasty fought for the throne for 16 years and fought for the "Eight Kings Rebellion".