Olive oil is rich in fats and many kinds of vitamins, which is more suitable for consumption. The edible types of olive oil are mainly categorized into virgin olive oil, refined olive oil and mixed olive oil. 1. Virgin olive oil is made directly from fresh olives within 24 hours by physical means. The color is golden yellow with green, rich in nutrients, and can be eaten directly or used for cold mix. 2. Refined olive oil is more turbid in color than virgin olive oil, and its nutritional value is a little inferior, but it is relatively cheap and can be used for cooking. 3. Mixed olive oil is transparent and light golden yellow in color, it is made by mixing refined olive oil and virgin olive oil according to a certain proportion, its nutritional value is between virgin and refined, it is widely used in cooking.