1, protein. Including high-quality protein and non-high-quality protein, the former mainly comes from dairy products, eggs, lean meat, fish, shrimp, bean products and so on; The latter mainly comes from rice and vegetables.

2. Fat. Include animal fat and vegetable fat. Many elderly people are afraid of obesity, because fear of obesity will lead to hyperlipidemia and coronary heart disease. In fact, the elderly should also eat fat, because fat has the function of keeping warm. Old people can choose vegetable fat because it contains unsaturated fat.

3. carbohydrates. Carbohydrate provides necessary calories for human body, and the main food sources are: sucrose, grains (such as rice, wheat, corn, barley, oats, sorghum, etc. ), fruits, nuts, vegetables, etc. All three provide heat for human body. In addition, vitamins, minerals and water are also essential nutrients for the human body.

Pay attention to seven points in the diet of the elderly:

1, food diversity, mainly cereals. Cross-eating millet, rice and black rice can balance the nutritional structure.

2. Eat more vegetables, fruits and potatoes. There should be at least 1 kg of vegetables and two fruits every day. As for diabetics, they can eat low-sugar fruits and vegetables, such as carambola and tomatoes.

3. Eat milk, beans and their products every day, and beans are the first to push soybeans.

4. Eat proper amount of fish, poultry, eggs and lean meat; Eat less fat. Old people can eat more fish, and marine fish is better.

5, food intake and physical activity should be balanced, maintain an appropriate weight, and it is best to exercise 1 hour every day.

6. Eat a light and salt-free diet. Hypertension and cancer are closely related to high salt intake.

7. Drinking should be restricted. Patients with hypertension should avoid drinking alcohol, and normal people can drink red wine in moderation.