1, not greedy meat. Too much meat and fat in the diet of the elderly will cause imbalance in nutritional balance and metabolic disorders, susceptible to hypercholesterolemia and hyperlipidemia, which is not conducive to the prevention and treatment of cardiovascular and cerebrovascular diseases. 2, not greedy fine. The elderly long-term focus on the consumption of refined white rice and noodles, the intake of less fiber, will weaken intestinal motility, prone to constipation. 3, not greedy hard. The elderly gastrointestinal digestion and absorption function is weakened, if greedy to eat hard or undercooked food, over time easy to get indigestion or gastric disease. 4, not greedy fast. The elderly because of incomplete tooth loss, diet if greedy fast, chewing, will increase the digestive burden of the stomach. At the same time, also prone to fish or meat and bone throat accidents. 5, not greedy full. The elderly diet should be eight minutes full, if long-term greedy for full, both to increase the digestive and absorption burden of the stomach and intestines, but also induce or aggravate cardiovascular disease, sudden death. 6, not greedy wine. Older people drink alcohol for a long time, will make the heart muscle degeneration, loss of normal elasticity, increasing the burden on the heart. At the same time, the elderly drink more alcohol, but also easy to lead to cirrhosis of the liver. 7, not greedy salty. The amount of sodium and salt consumed by the elderly is too much, prone to hypertension, stroke, heart and brain disease and kidney weakness. 8, not greedy sweet. The elderly eat too much sweets, will cause dysfunction, causing obesity, diabetes, pruritus, hair loss and consumption of pancreatic cells, is not conducive to physical and mental health. 9, not greedy late. Three meals should be eaten early rather than late, which is conducive to food digestion after rest, to avoid accumulation of food or hypoglycemia. 10, not greedy for hot. Diet should be warm and not hot, because hot food is easy to damage the mouth, esophagus and stomach. If you take hot food for a long time, you will easily suffer from stomach and esophageal cancer.