1, eat more food containing vitamins: supplemental vitamins smoke in some compounds, will make the activity of vitamin A, B, C and E, etc. greatly reduced, and make the body of these vitamins get a lot of consumption. Therefore, smokers should often eat a little more of these vitamins containing very much food, such as milk, carrots, cornmeal, cabbage, peanuts, vegetable oil, bean sprouts, etc., which can enhance the body’s autoimmune function, but also can supplement the vitamin deficiency caused by smoking. 2, eat more selenium-rich food: often smoking is likely to cause low levels of selenium in human blood, and selenium is an indispensable trace element for cancer prevention and anti-cancer. Therefore, smokers should often eat more selenium-rich food, such as animal liver, seaweed and shrimp, etc. 3, often drink more tea. Because some of the compounds contained in the smoke can cause thickening of the arterial lining, gastric acid secretion significantly reduced and increased blood sugar, etc., and tea in the unique catechins can effectively prevent cholesterol deposition on the walls of the blood vessels, increase gastrointestinal motility and reduce blood, urine sugar, etc.. Smokers should often drink more tea to reduce the onset of these diseases brought about by smoking; at the same time, tea can diuretic, detoxification, can also make some of the toxic substances in the smoke with urine excretion, reduce its residence time in the body. 4, smokers can properly supplement iron-rich foods, such as animal liver, meat, kelp, beans. 5, it is advisable to eat less fatty meat containing saturated fatty acids: because smoking will increase the amount of cholesterol and fat deposits in the blood vessels, the brain blood supply is reduced, easy to cause brain atrophy, accelerating brain aging and so on. Therefore, smokers in the diet should eat less fatty meat containing saturated fatty acids, etc., and should increase some can reduce or inhibit the synthesis of cholesterol food, such as milk, fish, soy products and some high-fiber foods, such as chili powder, vegetables, cinnamon and fruit, etc. 6, beta-carotene is more beneficial to smokers, alkaline foods containing very high levels of beta-carotene can effectively inhibit smokers’ addiction to smoking, and have a role in reducing the amount of smoking and quitting smoking. Rich in beta-carotene food are carrots, spinach, alfalfa, pea seedlings and peppers, smokers can eat more in moderation. 7, nuts and coarse grains and other foods containing vitamin E: the U.S. National Cancer Institute published a survey report in advance that nuts and coarse grains and other foods containing vitamin E will reduce the incidence of lung cancer in smokers by about 20 percent. Very rich in vitamin E food, including soybean oil and other plant seeds pressed into the oil; nuts, especially apricots, lentils, hazelnuts and hazelnuts, walnuts, sunflower seeds and coarse grains.