Professor Zhang Yonghong thinks that Qi deficiency is the leading cause of lung cancer，interaction of phlegm and blood stasis，cancerous toxin connotation is the key of lung cancer development.Clinical treatment in advanced lung cancer emphasizes on the benefiting Qi and supplementing Lung and reduce phlegm and removing blood stasis disintoxication with paying attention to syndrome differentiation and disease differentiation，with combination of strengthening body resistance and eliminating evil.This paper focuses on chapter professor of clinical experience in the treatment of advanced lung cancer，with two cases to prove.