Six months before death in advanced lung cancer basically belongs to the advanced stage of cancer, and there are no uniform clinical signs. Although the cancer lesions of patients with advanced lung cancer have metastasized to various organs and tissues, it is necessary to try to improve the survival quality of patients through symptomatic treatment, so patients and family members should try to actively cooperate with clinical treatment. Patients with advanced lung cancer often show symptoms of respiratory system, digestive system, central nervous system, circulatory system and other systems and organs failure: 1. When the lung cancer lesions metastasize to the brain, patients will experience headache, nausea, jet vomiting, as well as central nervous system disorders such as narrow pupils, unconsciousness and coma; 4. The cancer cells in advanced lung cancer patients may metastasize to various parts of the body, so they may show symptoms of sclera and skin yellowing, elevated body temperature, hoarseness, bone and joint pain, muscle weakness, as well as multi-organ failure such as mental weakness and emotional depression.