To explore the clinical therapeutic effect and side effects of external treatment of integrated traditional Chinese and western medicine in treating pain in lung cancer patients. Methods： One hundred and twenty lung cancer patients with bone metastasis admitted to our department from year 2010 January to year 2012 December were randomly divided into Chinese medicine acupuncture treatment group (group A), western medicine group (group B), western medicine combined with traditional Chinese medicine acupuncture treatment group (group C) with 40 cases in each. The curative effect and side effect incidence were observed after 7 days of treatment (a treatment course). Results： After treatment, there were no significant differences of therapeutic effect between group A and group B (P>0.05); there were significant differences of therapeutic effect between group C and group B (P<0.05); there were significant differences of therapeutic effect between group C and group A (P<0.05). There were significant differences of side effects between group A and group B (P<0.05); there were significant differences of side effects between group C and group B (P<0.05); there were no significant differences of side effects between group A and group C (P>0.05). Conclusion： Acupoint therapy for lung cancer pain shows significant clinical efficacy with low side effects occurrence. Traditional Chinese medicine combined with western medicine improves the efficacy of treating cancer pain, reduces drug addiction and side effects, and improves patients’ quality of life.