Lung cancer is the most common primary malignant tumor of the lung. Most lung cancers originate from the bronchial mucosa epithelium, so it is also called bronchial lung cancer. Although lung cancer treatment is crucial, diet also plays a pivotal role. If you do not pay attention to diet and nutrition, it will cause certain obstacles to the smooth treatment, such as lung cancer patients, if they reach the middle and late stage, their disease is heavier and their body is weaker, so it is more important to pay attention to diet. The diet of lung cancer patients should be selected according to different physical types: 1.Qi stagnation and blood stasis type: Patients may have poor coughing, chest tightness and swelling pain, as well as constipation, dry mouth and blood phlegm. 2.Phlegm-dampness blocking lung type: this type of lung cancer patients show coughing and coughing with phlegm, and at the same time, they will have chest pain, shortness of breath and other symptoms, so they should choose some foods with the effect of strengthening spleen and resolving phlegm, detoxifying and clearing lung, such as radish, lotus seed, rice kernel, etc., which are good choices. 3.Qi and Yin deficiency type: this type of lung cancer patients will have symptoms such as weakness and fatigue, shortage of breath, dry mouth and bowel movement, cough but little phlegm, so they can choose some foods with the effect of nourishing Qi and Yin, such as yam, pear, rice kernel, American ginseng, mulberry, black fish, etc. 4.Yin deficiency and heat toxicity type: this kind of patients will have low fever and night sweat, cough or blood in sputum, chest pain and shortness of breath, etc. These patients should pay attention to eat more foods with heat and detoxification, such as banana, fishy grass, lotus seed, yellow flower, lotus root, lily, duck, American ginseng, etc., which are helpful to the treatment of lung cancer. Patients should also pay attention to keep their mood light and happy, avoid the influence of negative emotions such as worry and depression, do a good job of lung maintenance, and eat more white radish, lily and silver fungus, which are all helpful to the treatment of lung cancer.