路易斯安娜的主权更迭以及该地区的法律沿革史,造就了一部在世界民法典立法史上具有独特地位的《路易斯安娜民法典》,并最终在美国这样一个普通法系国家描绘出“一国两法”的绮丽图景。路易斯安娜的这段历史,对于我国在“一国两制”的原则下,如何正确对待港、澳、台地区的法律传统,有着重要的启示。 The change of sovereignty of Louisiana and the history of law evolution in the region have created a “Louisiana Civil Code” that has a unique position in the legislative history of civil code of the world. Finally, the United States, a common law country, Two laws “beautiful scene. This history of Louisiana has an important enlightenment on how to correctly handle the legal tradition in Hong Kong, Macao and Taiwan under the principle of ”one country, two systems ".