Principle: Comprehensive treatment mainly based on surgery is the gold standard for early and mid-stage lung cancer. 1.Surgery: pneumonectomy mediastinal lymph node dissection: it can be divided into various surgical methods such as total pneumonectomy, lobectomy, lung segmental resection plus mediastinal lymph node dissection and local resection. At present, total pneumonectomy has been basically abandoned and replaced by sleeve pneumonectomy with mediastinal lymph node dissection. Liu Jianchao, Department of Surgery, Sichuan Bayi Rehabilitation Center TV-assisted thoracoscopic surgery (minimally invasive thoracic surgery). All of the above surgical methods can be performed under TV-assisted thoracoscopy for VATS. Currently to have been gradually carried out throughout the country, but the development is uneven. 2.Chemotherapy: It can be used as a supplementary treatment for patients who cannot be operated and patients after surgery. There are certain side effects. 3.Targeted therapy and gene therapy: being explored. 4.Immunotherapy: It can improve the patient’s immunity and be used as an adjuvant treatment. 5.Chinese herbal medicine treatment: It can be used to improve the resistance and prolong the survival period of tumor by using the “qi tonic” of Chinese medicine.