"Don't be intimate, don't be lenient and divorced from the law", the guiding ideology of China's ancient legislation during the Warring States period, how did it reflect the function and value of the law? In the legislation of the Warring States period, law was regarded as the basic means to govern the country and the objective standard to measure anyone's behavior. This makes everyone, whether noble or civilian, apply the law equally. In this case, legal norms can guide and guide their own behavior, people can evaluate the behavior of others, and can predict people's behavior and its consequences according to the law, so as to arrange their own behavior. The implementation of the law has an impact on the behavior of ordinary people, that is, it embodies the guiding role, evaluation role, prediction role and education role of the law. The guiding ideology of the legislation in the Warring States period includes "minor crimes and heavy penalties", and the purpose of governing the country according to law is achieved through heavy penalties and heavy laws, which embodies the mandatory role of the law and uses the law to sanction, force and restrain illegal and criminal acts. In essence, the main purpose of legislation in the Warring States period is to maintain the rule of the ruling class through habits, which precisely reflects the role of law in maintaining class rule in social functions. The most obvious embodiment of the legislative guiding ideology in the Warring States period is the equal value of law. The guiding ideology of the Warring States requires the abolition of all legal privileges enjoyed by the old nobles. The equal value in law is to exclude privileges, eliminate discrimination, confirm and guarantee the equality of the legal status of the subject, and distribute legal responsibilities fairly. In addition, the guiding ideology of legislation in the Warring States period can also reflect the just value of law. "There is no high or low punishment" can reflect the realization of substantive justice and procedural justice in law enforcement and justice through the identification and punishment mechanism in legal effect.