In international private law, RPO is a system that a domestic court denies to apply the foreign law if it violates the local public order, though which should be applied according the conflict rules.

• 在国际私法中，公共秩序保留是指内国法院根据冲突规范应适用某外国法时，如果该外国法的适用将违反内国的公共秩序，内国法院便以此为由拒绝适用该外国法的一种制度。