Corn is a common coarse grain. The survey results show that the favorite staple foods are corn, buckwheat and rice. Nearly 80% centenarians like to drink porridge in the morning and evening. Expert Interpretation: Corn is a common miscellaneous grain, and the health of the elderly in the hometown of longevity cannot be separated from its help. Corn not only strengthens the spleen and benefits water, but also helps to prevent obesity in the elderly, and is rich in lutein, which helps to protect the eyes. There are two kinds of buckwheat. The hypoglycemic effect of buckwheat is better than that of sweet buckwheat, and diabetics can eat more. The centenarians in Rugao have the habit of "two porridge and one meal". Drinking porridge in the morning can regulate the spleen and stomach, and drinking porridge at night has a good effect on tonifying the kidney. It should be noted that when cooking corn porridge, it is best to put some baking soda, which will help the bound nicotinic acid in corn to be transformed into a free state and be better absorbed and utilized by the human body. In addition, corn porridge and rice porridge should also be mixed to avoid single nutrition. 80% of the old people like to drink boiled water. The survey results show that the favorite non-staple foods of centenarians are eggs, milk, fish and shrimp. Among them, 78% people usually drink boiled water, and 10% people like to drink light tea. Expert Interpretation: Yang Li, a professor at the Chinese Academy of Traditional Chinese Medicine, said that eggs and milk are high-quality protein and contain essential amino acids, which is very helpful for improving the immunity of the elderly and resisting diseases; Fish and shrimp are rich in phosphorus, which is a "magic weapon" to protect the brain, delay memory decline and prevent Alzheimer's disease. Just eat 1 egg a day. For people with dyslipidemia or obesity, it is recommended to eat 2-4 eggs a week. Many people also have some misunderstandings about drinking milk. For example, drinking milk as water will lead to unbalanced nutrition. For the elderly, more than two cups of milk a day may increase the risk of cataract. A glass of milk (200ml) per person per day is more appropriate. In daily drinking water, strong tea can cause constipation, and may also increase blood pressure and increase the burden on the heart. The best drink is boiled water, 1600-2000 ml per day. Drinking wine in the morning is good for health. Every household raises flowers. The results show that most centenarians work nonstop, and few are obese. 90% centenarians have high sleep quality, and 72% centenarians have the habit of taking a nap. Every family grows flowers. Expert Interpretation: Zhang, a professor in the Health Room of Beijing University of Chinese Medicine, pointed out that life lies in exercise. No matter what exercise, even doing housework, can promote blood circulation. It is good for the elderly to find their favorite exercise methods and stick to them for a long time. It is suggested that the elderly should choose more soothing exercises, such as walking slowly and playing Tai Ji Chuan. When doing housework, you should try to avoid bending and squatting, especially don't lift heavy objects. Planting flowers is also a health preserving method worth promoting. Flowers and plants can beautify the environment and make people feel happy. Pruning flowers and watering them every day not only exercises the body, but also reduces loneliness. In addition, the longevity of Rugao elderly people is closely related to good sleep. As the saying goes, "sleep well every day at the age of 80", and the elderly should sleep at least 7 hours every day.