Source: Historical Records Volume 87 Biography of Lisi (XXVII): Zi Ying suffered greatly since he took office, saying that he was sick and refused to listen, talking to Han, an official, and his son committed murder. When he was called in, he asked Han to talk about assassinating him and killing his three families.
Brief introduction of Zhao Gao: Zhao Gao, won surname, Zhao. China Emperor Qin Ershi was a prime minister and a famous eunuch. During his tenure, he monopolized power, used power for personal gain, taxed more, and his administration was more harsh. In 208 BC, he designed and killed Li Si, and then he became the prime minister of the Qin Dynasty. In the third year, he forced Qin Ershi to commit suicide and made Zi Ying king of Qin. It was soon designed and killed by Zi Ying, killing three tribes.
Zi Ying: Zi Ying, that is, Qin Sanshi, the last ruler of the Qin Dynasty, won the surname Zi Ying or Won, and reigned for 46 days. Originally called the Emperor, it was later renamed the King of Qin, and in history it was called Zi Ying, the King of Qin. Zhao Gao, the prime minister, forced Qin Ershi to meet the king of Qin, who was named the king of Qin. Five days later, Zi Ying was so Zhao Gao again. In the same year 10, Liu Bangling entered the customs, and Zi Ying, who had been in power for only 46 days, surrendered to Liu Bang, and the Qin Dynasty perished. After more than a month, Xiang Yu led his army into Xianyang and killed Zi Ying.