Whether or not a pulmonary nodule causes a cough is related to factors such as the size, location and nature of the nodule. 1. Coughing: If the nodule is located closer to the central part of the lung (hilar), it is more likely to irritate the airways and cause a cough. If the lung nodule is large and involves the surrounding bronchus or pleura, it may also irritate the cough. If the lung nodule is inflammatory, it may cause the mucous membrane of the respiratory tract to become edematous, congested, and leakage of inflammatory secretions, resulting in a cough. 2. Will not cough: benign pulmonary nodules are usually located in the periphery of the lungs, the volume is generally small and the size of the change is not large, usually no symptoms, and will not appear coughing, coughing and other respiratory symptoms of irritation. If you always cough after discovering lung nodules, it is recommended to consult a doctor in time to analyze the cause of the disease and take appropriate treatment to avoid the development of the disease.