Salad oil is better for cold salad. Salad oil, commonly known as cold salad oil, is a refined edible oil refined from crude oil and can be used for raw food. It is named because it is especially suitable for cold dishes in western food. Salad oil is light yellow, clear and transparent, odorless, good in taste, and does not bubble or smoke when used in cooking. Refrigeration at 0℃ for 5.5 hours can still keep clear and transparent (except peanut salad oil). It is mainly used for cold meals and salad oil other than cooking and frying, and can also be used as raw oil for margarine, shortening, mayonnaise and various seasoning oils. Salad oil is generally made of high-quality oil, processed into crude oil, and then degummed, deacidified, decolored, deodorized, dewaxed and degreased to become the finished product. Go through many processes