There is no literature to prove which oil is the best, common oils can be eaten, such as peanut oil and other vegetable oils or lard and other animal oils, etc. Oils can provide energy and nutrients for the human body, pay attention to the appropriate amount of intake, a variety of oils in combination. Vegetable oils mainly include sesame oil, corn oil, peanut oil, etc. Animal oils mainly include lard, tallow, mutton oil, etc., which are rich in energy and fat. Butter, lard and other animal oils are rich in high saturated fatty acids, olive oil canola oil is rich in n-9 series of fatty acids, corn oil peanut oil is rich in n-6 series of fatty acids, fish oil, etc. is rich in n-3 series of fatty acids, a variety of nutrients to help the body maintain normal physiological functions. Although the oil is better nutrition, but energy, fat content is high, long-term large intake may appear energy accumulation, daily cooking oil should be controlled within 30g, try to choose steaming, boiling, stewing, stewing and other methods to reduce the amount of oil. Daily recommended less oil cooking, choose the appropriate cooking methods, dietary diversity.