This article elaborates on the views of the pre Qin Legalist Shen Zhi on the relationship between law and state governance, emphasizing the core role of law in maintaining national order, and pointing out that law should be adjusted in a timely manner with social changes. Shenzhi advocates that rulers should formulate and modify laws based on actual situations to maintain the adaptability and effectiveness of the law. In modern society, the formulation and revision of the legal system should also balance closure and openness, balancing legal principles and human emotions. By citing the original text from "The Gathering of Arts and Literature", this article further elaborates on the importance of complying with, defending, and reforming the law, as well as the responsibilities and obligations of different social roles before the law.