Eat “good” to be strong to improve the body’s immunity, can not be separated from adequate nutrition. How to eat healthy, eat strong? In daily life, we should pay attention to dietary balance, cereals, vegetables, fruits, fish, poultry, meat, eggs, milk and beans in a reasonable combination, we can refer to the scientific recommendations of the “Balanced Diet for Chinese Residents”, daily intake of cereals 5-8 taels, vegetables 6 taels-1 kg, fruits 4 taels-8 taels, fish and poultry 2-3 taels, soybeans and nuts half a tael-1 tael as well as 300 ml of dairy products. This can be adjusted according to individual conditions. Specifically, in the consumption of vegetables, should be mainly dark green vegetables, with eating yellow and red vegetables and some purple and white vegetables. Dark green vegetables mainly include spinach, rape, chrysanthemum, leek, cabbage, western bluebonnets and so on, common orange and yellow vegetables are carrots, tomatoes, pumpkins, etc., purple and white vegetables are eggplant, lotus root and so on. These vegetables are rich in carotenoids, vitamins, minerals, dietary fiber and beneficial phytochemicals, such as lycopene and lutein, which are of great nutritional value to the human body. When it comes to consuming fruits, fresh fruits are fine as long as they are in season. Fruits are also rich in vitamins, minerals, dietary fiber and phytochemicals that are beneficial to the health of the organism. For example, you can eat more citrus fruits at the moment. Citrus fruits are rich in carotenoids, vitamin C, which can maintain healthy skin mucous membranes and prevent colds. In terms of meat, you should eat more white meat and less red meat, she first fish, followed by chicken, duck and other poultry meat, and again cattle, sheep, pigs and other animal meat, which is commonly known as “red meat”. To improve immunity, you should also drink more milk or yogurt, said Gao Huiying, milk can provide a wealth of nutrients, yogurt is sterilized fresh milk inoculated with lactobacillus by fermentation, more easily digested by the body. In addition to adequate nutrition, improve immunity, but also regular life to do the right amount of exercise, and maintain optimism and other research found that regular life, sufficient sleep can make the body’s two lymphocyte count rose significantly. According to reports, Russian medical experts have shown that during sleep the body produces a sleep factor called cytosolic acid, which promotes the increase of white blood cells, active macrophages and enhanced liver detoxification, thereby eliminating invading bacteria and viruses. Maintaining an optimistic mood and moderate exercise can maintain the body in an optimal state. Three studies at Appalachian State University in the United States have shown that after exercising 30-45 minutes a day, 5 days a week for 12 weeks, the number of immune cells increases and the resistance increases.