The legalist school theory and the Chinese tradition law stab--Jan discusses the legalist school theory the origin and the ideologyAbstract: The legalist school school of thought "the law" refers publicly praises the cloth the existing writing law as well as the implementation feudalism government by law penalty "The technique" is controls the subject, causes it to obey to the dominant political political "The potential" is a power and influence, mainly refers to the dominant In the legalist school school of thought regarding three respectively has side Shang Yang to be heavy method, Shanghai does not harm the heavy technique, as cautious as the heavy potential, Han Fei advocated holds the law place potential to use the technique, three is the mutual connection "The law, the technique, the potential" unify the theory is the Han Fei political thinking primary This article elaborates the key point promulgates the legalist school thought theory system, namely "law, technique, potential" system origin and its structure