Thoracic surgery lung surgery preoperative chest intensive CT, bronchoscopy and pulmonary function test, etc., preoperative preparation norms such as smoking and alcohol cessation and respiratory training. 1. Thoracic surgery lung surgery usually requires chest CT to show the contour and internal structure of the lesion. Bronchoscopy is used to understand the condition of the trachea and bronchial lumen before surgery. Pulmonary function tests are performed to check ventilation and air exchange. MRI or enhanced CT of the head, enhanced CT of the abdomen and bone scan can also be added on the basis of this examination to determine whether the lung cancer has metastasis in the head, abdominal organs and bone metastasis. 2. Smoking cessation is required for at least 15 days before thoracic lung surgery. Perform breathing exercises that can increase lung ventilation. Train the patient to cough effectively, and also self-adjust on this basis to relieve their own tension. Thoracic Surgery Lung Surgery preoperative examination and preoperative preparation specification is made by the doctor according to the individual differences in comprehensive consideration and make a choice, you should go to the regular hospital in a timely manner, listen to the advice of professional doctors.