Abstract
Han Fei was a famous Legalist in the late Warring States period. During the struggle to criticize the Confucian school, he developed the theory of the "rule of law," which laid a theoretical groundwork on which the newly emerging landlord class could build a centralized feudal state. His works had been appreciated by Ch'in Shih-huang. When Ch'in Shih-huang read the book Han Fei Tzu, he sighed and said, "I would feel no regret about dying if I could meet this person and become his friend." Later Ch'in Shih-huang applied this progressive theory of Han Fei in practice and developed it through practice