本文首先从总结现有的经济法定义入手,认为应当对经济法的定义进行广义与狭义的划分,而国别性对准确诠释狭义的经济法定义有着重要的意义。其次,本文运用比较法并结合史实探讨了美日两国之间具有代表性的国别差异,并在此基础上进一步论证了国别性对中国经济法研究的重要性。 Firstly, this article begins with the conclusion of the existing definition of economic law, and concludes that the definition of economic law should be divided into broad and narrow sense, while nationality has an important meaning to accurately interpret the narrow definition of economic law. Secondly, this article explores the representative country differences between the United States and Japan by using comparative law and historical facts, and on this basis further demonstrates the importance of nationality to the study of China’s economic law.