1. Dark green vegetables: such as spinach, rape, spinach, broccoli and watercress. It is rich in chlorophyll, carotenoids, vitamin C/B1B2, and trace elements such as iron and selenium, among which lutein can protect the health of retina.

2. Potatoes: Potatoes are very nutritious. The protein content of 100g potato is about 2-2.5g, and the protein quality of potato is good, close to animal protein. It contains special mucin, which not only has the function of moistening intestine, but also has the function of lipid metabolism, which can help cholesterol metabolism. In addition, potatoes contain 8 kinds of amino acids necessary for human body, and also contain many vitamins, among which vitamin C is more. In addition, the contents of calcium, phosphorus, magnesium and potassium in potatoes are also high.

3. Kidney is the motive force of human life and the "innate foundation" of human body. In diet, we should always pay attention to the nursed back to health of the kidneys, pay attention to the supplement of calories, eat more animal foods and beans, and supplement vitamins and inorganic salts. Dog meat, mutton, goose, duck, soybean, walnut, chestnut, fungus, sesame, sweet potato and radish are all suitable foods in winter.

Lettuce is rich in vitamins and trace elements, and its water content is the best among vegetables. Eating more helps to replenish water to the skin, and also has a certain auxiliary treatment effect on acne caused by poor gastrointestinal function.

Bitter gourd is rich in crude fiber, vitamin C, calcium, iron and other nutrients. Containing active protein with anticancer effect can not only increase the activity of immune cells, but also eliminate toxins in the body and help to detoxify.

6. White vegetables can nourish yin and promote fluid production, such as radish, cauliflower, lily and yam.

7. Sweet potato: a nutritious food in grain. Because sweet potato can supplement a lot of mucin, sugar, vitamin A and vitamin C for human body, it has the functions of tonifying deficiency and benefiting qi, strengthening spleen and stomach, strengthening kidney yin, harmonizing stomach, warming stomach and benefiting lung. Therefore, eating sweet potatoes often can prevent the atrophy of liver and kidney connective tissue and prevent the occurrence of collagen disease.