He was promoted from Zuo Shu Zhang(左庶長, vice prime minister of Qin) to Da Liang Zao(大良造, prime minister of Qin) by King Zhaoxiang of Qin.
During the Battle of Changping in 260 BC, he succeeded Wang He as the commander of Qin army, and soon defeated the Zhao army commanded by Zhao Kuo.