Peanut oil is light yellow and transparent, with clear color, fragrant smell and delicious taste. It is an edible oil that is easy to digest. Peanut oil contains more than 80% unsaturated fatty acids (including oleic acid 4 1.2% and linoleic acid 37.6%). In addition, it also contains saturated fatty acids such as palmitic acid, stearic acid and arachidic acid 19.9%. The fatty acid composition of peanut oil is relatively good, which is easy for human body to digest and absorb. According to foreign data, the use of peanut oil can decompose cholesterol in human body into bile acids and excrete them, thus reducing the content of cholesterol in plasma. In addition, peanut oil also contains sterols, wheat germ phenol, phospholipids, vitamin E, choline and other substances beneficial to the human body. Regular consumption of peanut oil can prevent skin wrinkle and aging, protect blood vessel wall, prevent thrombosis, and help prevent arteriosclerosis and coronary heart disease. Choline in peanut oil can also improve the memory of human brain and delay the decline of brain function.