Ziying (? - before 206 years), surnamed Yu, baby or infant, the last ruler of the Qin Dynasty. During the third year of Qin II (before 207), in September, Zhao Gao was forced to kill Qin II and went to the Qin Di. Li Zi was the king of Qin, and he was known as the Qin Prince infant. Five days later, the child killed Zhao Gao. In October of the same year, Liu Bang led his troops into the offensive and his son surrendered to Liu Bang only forty-six days. The Qin Dynasty died. More than a month later, Xiang Yu led the army into Xianyang, massacre arson, and the child was killed. This article mainly discusses the contradictory doubts about the content of child-infant found in the book Historical Records, and discusses the relationship between Zi Ying and Qin Shihuang, and the personal opinions of Sima Qian and Ban Gu on different evaluations of the Ziying.