Lung cancer is a malignant tumor that is unbearable for all of us. After suffering from this disease, it seriously affects our health, therefore, once it is suffered, it should be treated immediately, at the same time, for lung cancer patients, it is necessary to strengthen physical care during treatment. After suffering from lung cancer, if there is no good treatment, it means that patients have to suffer more. Meanwhile, dietary care is also very necessary in the treatment of lung cancer patients. Since we are talking about nursing care, I hope we can understand the importance of nursing care. For such a dangerous disease as lung cancer, it is definitely necessary to do the full nursing care, because we all want to recover our body quickly. 1. In life, we must have good habits, without a good habit germs will attack our body, which is a great disturbance to us. The mechanism of lung cancer caused by smoking has been studied clearly, epidemiological data and a large number of animal experiments have completely proved that smoking is the number one killer of lung cancer. Both ourselves and society should take action. The country should enact strong laws to promote tobacco as a carcinogenic substance that causes lung cancer, and we ourselves should develop good habits, try not to smoke and reduce the chance of passive smoking. Lung cancer patients should improve the ventilation of the workplace to reduce the concentration of harmful substances in the air, transform the production process to reduce the production of harmful substances, and bring masks or other protective masks to reduce the inhalation of harmful substances when working in the dust-polluted environment. 3.There are certain taboos in the diet of lung cancer patients. Eat a diet high in protein, comprehensive nutrition, high in vitamins, low in fat and salt, avoid smoking and alcohol; reduce the intake of spicy and stimulating foods: onion, garlic, ginger, pepper, etc.; and eat less hot foods such as fried and barbecued foods. You should eat fresh vegetables and fruits rich in nutrition and vitamins. Patients with lung cancer should always keep their spirits happy and should not sulk over trivial things. 4. Whether it is lung cancer or other types of cancer or other diseases, the best way to prevent it is to have a positive attitude and lifestyle, to participate in regular exercise to enhance physical fitness, and to have regular physical examination to keep abreast of our physical condition. On the other hand, while preventing lung cancer, we should also know more about the early symptoms of lung cancer so that we can have a better and comprehensive principle of lung cancer attack.