The cost of mediastinoscopy is usually around 1000-2000 RMB, depending on the level of the hospital and the specific implementation plan of the examination. Mediastinoscopy is a diagnostic method for a range of mediastinal and pulmonary diseases, such as occupying mediastinal and pulmonary lesions, including benign and malignant tumors. There are also other inflammatory reactions, such as tuberculosis caused by Mycobacterium tuberculosis. The clinical examination is clear, after all, it is a relatively invasive examination and diagnosis method, so the choice should be made according to the specific condition and constitution of the patient. In addition, postoperative attention should be paid to the prevention and control of complications that arise, such as bleeding, pneumothorax, and infection of the incision.