The examination methods of pulmonary nodules are as follows: 1, chest high-resolution CT: as the first choice of examination for pulmonary nodules when economic conditions allow. For small lesions in the lung, it is clearer; 2, X-ray examination: mostly refers to chest X-ray, fluoroscopy, not as the first choice of examination, easy to miss the diagnosis, such as hairy glass shadows, mostly not visible. There are also more examination methods for lung nodules, and patients can also choose according to their own situation. If the lung nodules are mild and have no symptoms, they may not need to be treated for the time being, but patients in this category also need to go to the hospital for regular checkups.