Refined plant oil refers to the refining of crude oil, removing harmful impurities from it, and producing finished oil that meets national quality standards.

Refined oils are those obtained through chemical extraction methods; supermarket blended oils and certain soybean and rapeseed oils extracted by this method fall under unhealthy junk food. It is advisable not to consume them.Oils refined using chemical extraction methods and genetically modified edible oils.

Plant oil is a "category descriptive name," as stipulated in national standards, mainly to guide enterprises in simplifying ingredient labels.Such plant oils are generally not recommended for babies to eat.