Diabetic patients can eat peanut oil in small amounts. Peanut oil is an easy-to-digest cooking oil, containing unsaturated fatty acids, saturated fatty acids, sterols, phospholipids, vitamin E and other nutrients, so diabetic patients can eat peanut oil; however, peanut oil contains high calorie and fat content, usually only used for cooking food, so diabetic patients should eat less peanut oil, or it may be detrimental to blood sugar control. In addition, patients with diabetes need to maintain a healthy diet, minimize the consumption of high-fat, high-sugar foods, such as cakes, milk tea, fried chicken, etc., with appropriate physical exercise and standardized use of medication as prescribed by the doctor, to maintain blood glucose in a reasonable range, which can reduce the risk of diabetic complications.