公共政策原本是国际私法上的一个重要概念。国际私法本质上也就是国内法。各国可以根据自己的需要与意愿制定适合本国国情或政情的冲突规范,但这种需要与意愿并不是任意的,因为,国际公法中的许多基本原则,各国立法机关在制订和适用国际私法规范时就必须加以考虑,比如,主权管辖豁免,外国人的待遇以及司法拒绝等等。另一方面,国际法院也不完全拒绝适用国际私法规则。因此,国际私法与国际公法之间存在着各种必然的联系。这类联系又为国内法与国际法之间的许多基本原则的相互转换创造 Public policy was originally an important concept in private international law. Private international law is essentially domestic law. All countries can formulate their own norms and conflicts according to their own needs and wishes. However, such needs and wishes are not arbitrary because many basic principles in international public law, the legislatures of various countries in formulating and applying the norms of private international law It must be considered, for example, the sovereign jurisdictional exemption, the treatment of foreigners and judicial refusal, and so on. On the other hand, the International Court of Justice does not completely refuse to apply the rules of private international law. Therefore, there are all kinds of necessary connections between private international law and public international law. Such contacts are also created for the conversion of many fundamental principles between domestic law and international law