Lung nodules should try to avoid unhealthy foods such as fried, smoked barbecue and pickled, avoid spicy and irritating foods, avoid smoking and alcohol, etc. 1. Patients with pulmonary nodules should try to avoid eating unhealthy foods such as deep-fried, smoky barbecue and pickled foods, such as fried meat, barbecue and pickles. Also pay attention to avoid eating spicy stimulating foods, such as chili peppers, onions, ginger, garlic, etc., to avoid smoking and alcohol. To pay attention to adjust the diet structure, it is recommended that the staple food choice to grain-based, to ensure food diversity. 2. At the same time, it is appropriate to eat more vegetables and fruits, such as cabbage, tomatoes, carrots, apples, oranges and so on. Fresh vegetables and fruits are rich in vitamins, minerals and dietary fiber. It is also necessary to ensure the intake of protein, it is recommended to choose fish, milk, eggs, soy products, etc., to supplement the body’s protein and other nutrients needed to improve the body’s immunity. For specific diet for patients with lung nodules, consult a medical professional for advice.