The full name of lung cancer is primary bronchopulmonary cancer, and the postoperative review of primary bronchopulmonary cancer is to see the thoracic surgery department. Nowadays, hospitals seldom have thoracic internal medicine department, and thoracic internal medicine department usually refers to respiratory internal medicine department, which mainly deals with non-surgical diseases of respiratory system, while thoracic surgery department mainly deals with diseases that need surgical treatment in chest, so primary bronchopulmonary cancer patients usually go to thoracic surgery department for post-surgical checkup. Therefore, primary bronchopulmonary cancer patients usually go to thoracic surgery for post-surgery checkup. Moreover, the main content of primary bronchopulmonary cancer checkup is chest CT, which can monitor the therapeutic effect, early detection of tumor recurrence and metastasis. The review cycle of primary bronchial lung cancer is every three months in two years after surgery, every six months in two to five years, and every year in more than five years. Primary bronchopulmonary cancer is the most common primary malignant tumor of the lungs originating in the mucosa or glands of the trachea or bronchus. It is recommended to go to the hospital for regular checkups after primary bronchopulmonary cancer surgery, and change one’s bad habits in daily life, such as quitting smoking, in order to reduce the probability of recurrence of primary bronchopulmonary cancer.