In clinical practice, TCM external treatment is used to treat cancer pain, malignant pleural effusion, cancer-related fatigue and other related diseases of non-small cell lung cancer (NSCLC). TCM external treatment can also prevent and treat adverse reactions related to NSCLC treatment measures, such as postoperative cough, radiation-induced lung injury, nausea and vomiting after chemotherapy, bone marrow suppression after chemotherapy, immune and targeted drug-related rash, etc. It mainly uses external use of Chinese materia medica, acupuncture, moxibustion, scraping, acupoint pressing and other methods. Different TCM external treatment method are often used in combination to improve the curative effect. External therapy has been widely used in the treatment of NSCLC related diseases. By balancing yin and yang of viscera, promoting the recovery of body function, it can achieve the role of cancer prevention, improvement of quality of life, control of clinical symptoms, attenuation and effect enhancement.