Edible. Palm oil generally refers to palm oil and is a kind of vegetable oil. It is widely used. It can be used as edible oil and biodiesel, and is widely used in catering, food, chemical industry and other industries. If palm oil is separated and solid fat is separated from liquid oil, solid fat can be used to make chocolate instead of expensive cocoa butter; Liquid oil can be used for cold salad, stir-fry or stir-fry with a light and refreshing taste. Palm oil is squeezed from the palm fruit of the oil palm tree. Palm oil and palm kernel oil are extracted from pulp and kernel respectively. Traditionally, palm oil contains only the former. Palm oil can be refined and separated to obtain products with different melting points, which are widely used in catering industry, food industry and oil industry respectively. Palm oil is the main competitor of the world's leading oil soybean oil. Other competitors include rapeseed oil, sunflower oil, peanut oil, cottonseed oil, palm kernel oil and olive oil. However, since 2004, the total consumption of palm oil and palm kernel oil exceeded the world's main edible oil soybean oil for the first time.