Besides increasing the intake of vegetables and supplementing trace elements, dietary fiber and other substances, we should also pay attention to the intake of fruits, grains, meat, eggs, dairy products, bean products and other foods, such as apples, rice, pork, eggs, milk, tofu and other foods, so as to maintain the diversity of foods, maintain a balanced diet and avoid the lack of other nutrients caused by a single supplement of certain foods. In addition, we should pay attention to light diet, less salt and oil, less food and more meals, and control sugar and alcohol to form an ideal diet model.