Objective To explore the impact of six-character formula on the survival quality of postoperative elder patients with Qi-deficiency lung cancer. Methods Sixty postoperative elder lung cancer patients with Qi-deficiency constitution were selected, who were hospitalized from May 2016 to May 2017. The experiment group was treated with six-character formula on the basis of the control group. The constitution and quality of life of patients were observed by CCMQ scale and EORTC QLQ-C3 scale. Results There was significant difference in Qi-deficiency score after test (P0.05). The role function, emoti...