个人权利与国家行为之间的界限一直是理论界争论不休的问题，也是自由主义理论的核心问题。当代自由主义者对这个问题的看法差异明显，在其两个代表性人物是罗尔斯和诺齐克的理论中得到明显的体现。罗尔斯的国家权力说与诺齐克的个人权利观，恰恰是对个人权利与国家行为之间界限问题的两种不同理解。从对他们两人思想的对比中，我们可以梳理出当代自由主义对这一问题的理解，进而研究得出个人权利和国家行为之间的界限究竟该如何保障。

The limit between the individual right and the state power has been the issue in the political thought, and it is also the core problem in the theory of liberalism. Contemporary Liberians have different ideas on this question, which is reflect clearly in Rawls and Nozick who are the most important representatives.Rawls's theory of state power and Nozick's the concept of individual right do represent different understanding on the question of limit between the individual right and the state power. By this comparative analysis, we can know the grasp of liberal theory on this issue, and how can we determine the limit between the individual right and the state power.