1, the appetite must be controlled. Because excessive carbohydrates can also be converted into fat, the staple food of each meal should be eaten quantitatively. 2. Control the intake of fat. The fat intake of the elderly should be less than 2% of the total calories, and eat less high-fat foods, such as animal oil and meat. 3. Control the intake of cholesterol. The intake of cholesterol in the elderly should not exceed 300 mg a day, and they can eat less animal liver, crab roe, roe and so on. 4. Increase the intake of unsaturated fatty acids. Because unsaturated fatty acids can lower cholesterol in human body, it is beneficial to eat foods rich in unsaturated fats, such as various vegetable oils and deep-sea fish oils. 5. Eat more legumes. Bean food can significantly reduce low-density lipoprotein and reduce the probability of arteriosclerosis. 6. Eat more foods with high cellulose and vitamins. Such as coarse grains, garlic, celery, coarse oats, apples, onions, eggplant, kelp, mushrooms, mountain plants and other foods, can promote cholesterol excretion, reduce blood lipids and prevent arteriosclerosis.