Oats are the most popular healthy food in Chinese medicine, which can lower blood pressure and cholesterol. Wu is a Chinese doctor with familial hypertension. He has it for lunch every day. Chen Ruilifu, a centenarian with the title of "the big shopkeeper of Chinese medicine", must eat oatmeal every day, with black fungus, mushrooms, mushrooms and celery to keep blood pressure and blood sugar stable. Oats contain water-soluble fiber β-polyglucose (glucose polymer, a gelatinous substance that tastes sticky), which can increase cholesterol metabolism and is very suitable for people with hyperlipidemia. The nutritional value of oats lies in bran, which is rich in vitamin B group, which is helpful for fetal development and can be eaten by pregnant women. Vitamin e in oats can increase memory; Folic acid, minerals and iron can fight cancer, prevent anemia and help wounds heal. Oats are high in fiber content, easy to feel full, helpful for defecation, not only delaying the rise of blood sugar and reducing fat accumulation, but also having lower calories than rice and noodles, so they are very suitable as slimming foods. Lotus root is the most favored by national treasure Chinese medicine, and it is also a health food respected by doctors in past dynasties. Yuan Mei, an 80-year-old dietetic expert in Qing Dynasty, loved lotus root. As mentioned in Suiyuan Food List, he likes the crisp fragrance of tender lotus root best. Professor Ma Guangya, 90, likes to drink a bowl of lotus root ribs soup in cool autumn and winter to moisten the lungs and soothe the nerves. Lotus root has many dietotherapy functions. According to modern scientific analysis, lotus root contains a lot of iron, which has the function of enriching blood. Rich in vitamin C, antioxidants, polysaccharides and polyphenols, it can achieve anti-cancer effect.