Symptoms of advanced lung cancer one month before death may include primary tumor symptoms, metastatic site symptoms, systemic manifestations and so on. Lung cancer is a common malignant tumor of respiratory system, which can be caused by smoking, heredity and other factors. Patients may have symptoms such as coughing up sputum, hemoptysis, dyspnea, chest pain and other primary clinical manifestations of the tumor one month before death. In addition, due to the development of the disease to the advanced stage, metastatic site symptoms, such as bone pain, pathological fracture; pain in the liver area, jaundice; headache, projectile vomiting, epilepsy, unconsciousness; ascites, pleural effusion and other manifestations. Advanced cancer patients are often accompanied by systemic symptoms such as abnormal pain, emaciation, weakness of limbs, mental depression, sleep disorder and so on. Even in the advanced stage of lung cancer, it is still necessary to actively follow the doctor’s prescription for diagnosis and treatment to improve the quality of life.