Corn is rich in calcium, phosphorus, magnesium, iron, selenium, vitamins A, E and B, carotene and cellulose. Corn has an auxiliary therapeutic effect on cholecystitis, gallstones, icteric hepatitis and diabetes. In addition, eating corn oil regularly can lower blood cholesterol and soften blood vessels. Sweet potato Sweet potato is rich in dietary fiber and colloid and other volumetric defecation substances, which can be described as "intestinal scavenger". In addition, sweet potato also has a strong role in lowering blood cholesterol, maintaining blood acid-base balance, delaying aging and preventing cancer. Kelp Kelp is rich in colloidal fiber, which can significantly reduce serum cholesterol. Tremella polysaccharide contained in tremella fuciformis can reduce cholesterol in serum and has obvious antithrombotic effect. Eating more red dates can improve the body's antioxidant capacity and immunity, and also have an effect on lowering blood cholesterol and blood lipids. Hawthorn can strengthen and regulate myocardial function, increase the amplitude of ventricular and atrial movements and coronary blood flow, reduce blood cholesterol and promote fat metabolism. Onion Onion contains almost no fat, so it can inhibit the increase of blood cholesterol caused by high-fat diet and help improve atherosclerosis. In addition, onions contain compounds such as cyclic alliin and methionine, which help to dissolve blood clots. Apple pectin can reduce blood cholesterol. Apples are rich in potassium, which can eliminate excess sodium salt in the body. If you insist on eating apples every day, it will help to maintain normal blood pressure and blood lipids. Celery contains more dietary fiber, which has the functions of lowering blood pressure, blood lipid and blood sugar.