TCM theory in NSCLC TCM theory is based on classical knowledge that dates back several thousand years, along with plenty of clinical experience, which focuses on the macroscopic and external phenomena and emphasizes that the body is an organic whole.TCM has different purposes and methods in each stage of the treatment of NSCLC, such as supplementing qi and regenerating blood during chemotherapy, supplementing qi and nourishing yin during radiotherapy, resolving stasis and dispersing masses after radiochemotherapy, and so on (Liu et al., 2017; Qi et al., 2015), and TCM is often used in combination with modern medicine to play a better synergistic action and clinical efficacyPathological changes in the internal organs of the body can be observed through external symptoms (Wang, Long, & Wu, 2018).