Pulmonary nodules may be caused by lung inflammation, lung tumors, rheumatic immune diseases, etc. Patients should not only seek timely medical treatment, but also pay attention to their daily diet to promote recovery. In general, there is no specific diet that is suitable for three types of vegetables, and one should consume vegetables that are helpful for the different clinical manifestations caused by pulmonary nodules. Cough, phlegm and fatigue are typical manifestations of pulmonary nodules, so the selection of vegetables should also follow the principles of cough suppression, phlegm reduction and strength enhancement: 1. cough suppression: since vitamin A can help maintain the normal function of respiratory epithelial tissues and has a certain auxiliary effect on reducing cough symptoms, patients with pulmonary nodules can consume vegetables rich in vitamin A in moderation, commonly carrots, tomatoes, etc.; 2. phlegm reduction. Radish, bamboo shoots, etc. are rich in vitamin B, calcium, phosphorus, iron and other nutrients. And moderate intake can also supplement water for patients, which can indirectly achieve the purpose of diluting phlegm and promoting phlegm discharge; 3, enhance physical strength: you can consume cauliflower, spinach, pumpkin, etc. These vegetables can supplement the body with sufficient protein, fiber, trace elements and other nutrients, thus enhancing physical strength and facilitating the recovery of patients with pulmonary nodules. In addition, patients with pulmonary nodules should eat a light diet and avoid spicy and stimulating foods, but it should be noted that diet can only play a certain auxiliary role and cannot eradicate the disease. To achieve the therapeutic effect, patients should seek medical attention in a timely manner. For patients with lung nodules with relatively high risk of malignant transformation, thoracoscopic surgery and open-heart surgery are also required for diagnosis and treatment if necessary.