Patients with emphysema are advised to eat a light diet, fresh vegetables and fruits, such as chard, radish, cut beans, loofah, pear, citrus, loquat, banana and grapefruit, etc. Honey and maltose can be consumed frequently. Patients with emphysema have a lot of phlegm, which is relatively clear, and also have shortness of breath and shortness of breath. They can eat more warm foods, such as chicken soup, lean meat, dairy products and egg custard, all of which have the effect of tonifying lung energy. Emphysema cough aggravated over time, dry mouth and tongue, there will be lung yin damage, you can eat more pears, plums, hawthorn, apples, lean pork, duck eggs, cauliflower, eggs, apricots, etc. Avoid eating chili, pepper and other foods that are easily inflammable, avoid smoking and alcohol, and eat less fried foods.