Postoperative dietary regimen for patients with pulmonary nodules should include two parts: perioperative feeding and post-discharge dietary regimen. Patients with pulmonary nodules are generally operated under general anesthesia, to prevent vomiting and aspiration after general anesthesia, it is generally recommended to try to drink warm water 6 hours after waking up from anesthesia, and to eat light liquid food, such as rice soup, after 12 hours. On the first day after surgery, semi-liquid food, such as thin vegetable porridge, noodle soup, egg custard, etc., can be eaten after the recovery of gastrointestinal function without discomfort can be changed to general food. Patients need to pay attention to the following aspects of postoperative dietary regimen: 1, supplement high-quality protein and high-calorie food, high-quality protein is a necessary component of the body to repair damaged tissues, so after lung surgery need to supplement sufficient high-quality protein, such as eggs, milk, lean meat, soybeans, etc., cereal food is also rich in carbohydrates, it is recommended to supplement in moderation; 2, eat more fresh vegetables and fruits, because fresh vegetables and fruits Rich in vitamin C, carotene and other nutrients with antioxidant effect. Cruciferous plants such as broccoli, purple kale and cauliflower are recommended because they contain sulfide precursors that can block the metabolism of carcinogenic substances. Algae include kelp, seaweed, shiitake mushroom, etc., because they contain polysaccharide components, which have strong immunity enhancing and antioxidant functions, and such foods are also recommended. 3. Food is unfavorable to increase the functional burden of the gastrointestinal tract of patients will increase the functional burden of the gastrointestinal tract of patients, so this kind of food is not recommended; 4, talk about normal eating, that is, how to eat in daily life after surgery, it is recommended to eat according to daily life, no need for ginseng, turtle soup and other complementary therapy.