Corn oil, also called corn oil and corn germ oil, is the oil extracted from corn germ [1]. The fat content of corn germ is between 17% and 45%, which accounts for more than 80% of the total fat content of corn. The characteristic of fatty acids in corn oil is that the content of unsaturated fatty acids is as high as 80%-85%. Corn oil itself does not contain cholesterol, it has a dissolving effect on the accumulation of cholesterol in the blood, so it can reduce the hardening of blood vessels. It has a positive preventive effect on senile diseases such as arteriosclerosis and diabetes. Due to the function of natural vitamin E, it has obvious curative effect and preventive effect on heart disease, thrombophlebitis, reproductive dysfunction, muscular dystrophy, and nutritional encephalomalacia. Some old people consume a spoonful of corn oil every day as a tonic