For example, food such as almond jellyfish, lily of the valley, water chestnut, etc., and lotus root, lotus seed, persimmon, duck pear, yam, lily of the valley, white fungus, etc. have the function of stopping cough, astringent and stopping bleeding. According to the folk recipes, lung cancer patients can also eat mealybug, turtle paste, turtle meat, glutinous rice and other nourishing and tonic foods. Compared with digestive tract tumors, the diet of lung cancer patients should be relatively well resolved. 2. After surgery, lung cancer patients may suffer from shortness of breath, chest tightness and sweating due to damage of lung qi, so their diet should be based on foods that nourish qi and blood, such as yam, jujube, eggs, lean meat, lotus root, cabbage, longan, pine nuts and apples, etc. When lung cancer patients undergo radiation therapy, it will hurt their lungs and cause symptoms such as dry mouth and dry throat, cough with little phlegm and burning skin. It is advisable to eat more foods that nourish Yin and blood and fresh vegetables and fruits, such as almond dew, water chestnut, white pear, persimmon, loquat, wolfberry, sweet orange, Luo Han Guo, banana, walnut, silver fungus, lily, tomato, spinach, lotus root, honey, jellyfish, silver fish, etc. In the process of chemotherapy, patients with lung cancer may suffer from general weakness, loss of appetite, nausea, vomiting, and even bone marrow suppression, reduction of platelets and white blood cells due to drug toxicity. In addition to medication, carp, rib soup, bird’s nest, aromatic rhizome, wood ear, cordyceps, astragalus, jujube, peanut, sunflower seed, pig skin soup, animal liver, etc. can be used in diet. V. Due to the development of advanced lung cancer, patients have less food, poor digestion and absorption, and obvious symptoms of malnutrition. Diet should be given light, easily digestible and highly nutritious food with small amount and multiple meals to prevent cachexia.