After lung nodule surgery, patients are advised not to eat too greasy, spicy and stimulating food, and are recommended to eat a light diet, strengthen nutrition, and quit smoking and drinking. In the postoperative period, the patient may still have a cough. At this time, the patient is advised not to eat too stimulating food, which will aggravate the cough and the pain of the incision, and also affect the patient’s normal breathing to a certain extent. Due to the trauma of the respiratory system after lung nodule surgery, and lying in bed after surgery, gastrointestinal motility is relatively poor, need to eat light food. If you eat spicy, greasy food or drink alcohol, it may stimulate the digestive tract and cause gastrointestinal dysfunction, which will affect the digestion and absorption of the patient, and is not conducive to the recovery of the patient’s body. Eating spicy and stimulating food or smoking and drinking may stimulate the patient, causing vomiting, acid reflux, or even choking and coughing, which may cause lung infection and affect the recovery of the patient’s lungs; usually, you should also drink more water, take more vitamins, increase the intake of proteins, and strengthen the exercise to enhance the immune system.