The rules of origin in FTAs ensure that goods considered "originating" in the FTA will benefit from preferential tariffs, while goods originating outside FTAs will not benefit from preferential tariffs. Although such a rule provides many benefits to exporting countries, it also imposes additional burdens on the exporting Party, such as increasing the localization rate for goods and preventing goods imported from non-members of FTAs from enjoying preferential treatment. This paper examines the challenges that Vietnamese products face in terms of origin rules under the CPTPP agreement