Abstract:Lung cancer is the most common cancer and has the largest proportion of all cancer-related deaths, while radiotherapy plays a key role in both curative and palliative treatments for lung cancer. The recent leading research is how to enhance the effect and completion of radiotherapy. More studies has indicated that some traditional Chinese medicine (TCM), such as huoxue huayu recipe, buyi guben recipe, qingre jiedu recipe, berberine, 10-hydroxycamptothecin and so on, have multi-target, multi-pathway, improving immune function and relief to adverse reaction, which would be the potential radiosensitizers in treatment of lung cancer. The paper reviews the progress of traditional Chinese medicine in radiosensitivity of lung cancer.