Duke Hui II of Qin (Chinese: 秦惠公; pinyin: Qín Huì Gōng; died 387 BC), personal name unknown, was duke of the Qin state from 399 to 387 BC.
[3][2] In 387 BC, the thirteenth year of Duke Hui II's reign, Qin attacked the Shu state and took the city of Nanzheng.
Chuzi II was then either one or two years old, and the power was controlled by his mother, the duchess dowager Qin Xiaozhu.
Just two years later, in 385 BC the minister Jun Gai (菌改) rebelled against Chuzi II and the duchess.
He led his forces to escort Duke Xian, who was at the time exiled in the Wei state, back to Qin, killed Chuzi II and his mother, and installed Duke Xian on the throne.