People with lung nodules can sing. 1. Lung nodules are foci with a diameter of less than or equal to 3 centimeters in the lungs, and patients usually have no obvious subjective symptoms, which are often detected due to CT examination of the lungs, and there is no obvious effect on the functions of lung ventilation and air exchange. Moreover, appropriate singing has a certain role in exercising respiratory function. 2. However, singing is not recommended for people with hoarseness caused by the combination of severe underlying lung diseases or malignant lung nodules involving the recurrent laryngeal nerve. 3. After the discovery of lung nodules should not be easily ignored, it is recommended to go to a respiratory specialist to further improve the relevant examination. According to the condition of the nodules, further treatment or follow-up observation, specific need to follow the doctor’s advice.