Inclusion Criteria:  Patients diagnosed with lung cancer; Untreated lung cancer patients; No history of chronic or serious diseases, such as cardiovascular disease, liver disease, kidney disease, respiratory disease, blood disease, lymphatic disease, endocrine disease, immune disease, mental disease, neuromuscular disease, gastrointestinal system disease, etc.  Exclusion Criteria:  Patients with other tumors; Lung cancer patients who had been treated; Abnormal liver and kidney function; Acute and chronic infectious diseases