Objective: To investigate the clinical effect of Gufei Xiaoji decoction combined with bronchial perfusion chemotherapy in the treatment of locally advanced non-small cell lung cancer in the elderly. Methods: A total of 51 elderly patients with locally advanced non-small cell lung cancer were randomly divided into treatment group with 27 patients and control group with 24 patients. The patients in the treatment group were given bronchial perfusion chemotherapy combined with Gufei Xiaoji decoction,and those in the control group were given bronchi...