Li Si (about 284 years ago, 208 years ago), surnamed Li, was named Si, and there is an ancient word (in fact, it should be Li Mingsi. In the pre-Qin period, men took their surnames and women took their surnames. At the end of the Warring States Period, a native of Shangcai (now southwest of Shangcai, Henan Province) was born in Chu. Li Si was a small official in the county in his early years. Later, he learned from Xunzi the art of emperors and entered the Qin Dynasty. At first, he was appointed as Lang. Later, he persuaded the king of Qin to destroy the princes, became emperor and was appointed as a long history. The king of Qin adopted his strategy and sent advisers to lobby the six countries of Kanto with gold and jade, alienating the princes and ministers of various countries and making them guests and ministers. In the tenth year of the King of Qin (237 BC), he ordered the expulsion of six guest ministers. Li Si's "Exhortation and Expulsion" stopped it, which was adopted by the King of Qin, and soon the official arrived at Ting Wei. It played a great role in the political destruction of the six countries by the king of Qin. After Qin unified the world, he agreed with Wang Wan and Feng Jie to respect Qin as emperor, and formulated relevant etiquette systems. Be appointed as prime minister. He suggested tearing down the county wall and destroying civilian weapons; Oppose the enfeoffment system and adhere to the county system; He also advocated burning hundreds of languages in folk collections such as "books" and "books" and prohibiting private learning in order to strengthen centralized rule. He also participated in the formulation of laws to unify the system of tracks, characters and weights and measures.
After the death of Qin Shihuang, he conspired with Zhao Gao to forge a will, forcing Fu Su, the eldest son of the first emperor, to commit suicide, and made Hu Hai, the youngest son, the second emperor. Later, Zhao Gao was jealous. In the second year of Qin Ershi (the first 208 years), he was beheaded in Xianyang City, and the three clans were conquered.