The best food for lung cancer patients does not exist, and patients should pay attention to balanced nutrition in their daily diet. Lung cancer is a malignant tumor of respiratory system caused by many factors such as heredity, smoking and environment, etc. After the disease, due to the development of tumor and side effects brought by various treatments, it can cause certain consumption to patients, so it is necessary to adjust the dietary structure in time to supplement the appropriate amount of nutrition, which can accelerate the recovery of the disease. After patients resume normal diet, it is recommended to eat foods rich in high protein, such as fish, beef, eggs, etc. It is also recommended to eat fresh vegetables and fruits to replenish vitamins and improve immunity. In addition, avoid eating moldy food, barbecue and pickled food.