众所周知，现代的公、私法理论起源于罗马法。在人类历史上．罗马法学家第一次提出将法划分为公法、私法之说。查士丁尼的《法学阶梯》指出：“公法涉及罗马帝国的政体，私法涉及个人的利益。”这里指出了公、私法涉及的法律及范围．而后来的乌尔比安则将公、私法的定义加以明确 As we all know, the modern theory of private law originated from the Roman law. In human history. For the first time, Roman jurists proposed to divide the law into public law and private law. Justinian’s “Legal Ladder” states: “The public law involves the Roman Empire, and private law involves the interests of individuals.” Here we point out the laws and scope of public and private law. Later Urbian clarified the definition of public and private law