Objective To investigate the distribution characters of lung cancer syndrome elements, and to provide a reference for lung cancer research of Chinese medicine. Methods The systematic dialectics were carried by using retrospective clinical study and "Chinese Intelligence (secondary) treatment system". The syndrome elements and patient-related blood test indicators were analyzed by SPSS 19.0 statistical software. Results Common disease properties of lung cancer were:Yin deficiency, Qi deficiency, drink and phlegm. While different disease resistan...