Shang Yang, a representative figure of the pre-Qin Legalists. With the support of Qin Xiaogong, he made two profound reforms in economy, politics, culture and education. A few years after the implementation of the new law, the people of Qin have no worries about food and clothing, the combat effectiveness of the army has been greatly enhanced, and the country is thriving.

Shang Yang's "Learn Less about Criminal Names" is devoted to the rule of law. For example, establish a system of sitting right and use heavy sentences for minor crimes. Li Kui's "Law Classic" was promulgated and implemented, which increased the law of sitting. That is, five families are five friends. Why do ten families report on each other and share the same sin? Those who report "traitors" enjoy the same reward as those who cut the enemy, but do not report them. The family is hiding "traitors", and even Shi and Wu are both guilty. The guest house takes in passengers without official documents, and the owner is guilty of the same crime as the "traitor".