Coughing after lung nodule surgery may be a normal phenomenon, generally do not need special treatment; but does not exclude the possibility of pathology, need to be clarified after drug treatment and strengthen the daily care. 1. Normal phenomenon: postoperative cough may occur in patients with pulmonary nodules, and the cough is usually mild and can be gradually relieved. There is no need to be too nervous, and usually no special treatment is needed. Deep breathing can be used to regulate, pay attention to cold and warmth. 2. Pathological phenomena: If the cough is more serious after lung nodule surgery, cough syrup, dextromethorphan and other drugs should be used under the guidance of the doctor to stop coughing; and if accompanied by serious bacterial infection, amoxicillin, cephalexin and other antibiotics should be taken under the guidance of the doctor for treatment. It is recommended that patients pay attention to a light diet, avoid eating spicy and stimulating food, ensure water intake, strengthen the rest, appropriate exercise. Avoid self-medication, so as not to cause discomfort or delay the condition.