Objective: To investigate a clinical effect of Taichichuan training focussing on improvement of quality of life in cancer patients. Methods: The subject of study consisted of 10 cancer patients at the East-West Cancer Center of Dunsan Oriental hospital. The survey method of this study is Functional Assessment of Cancer Therapy-General (FACT-G) korean version. Patients performed Taichichuan twice a week and filled out FACT-G questionnaire before and after training. Results: Although total FACT-G score decreased 0.7 point after training, emotional well-being score increased 1.0 point after training. Male improved FACT-G score better than female. Over 50 age improved FACT-G score better than under 50 age. Over stage Ⅲ improved FACT-G score better than Under Stage II. Patients who were treated integrative treatment improved FACT-G score better than patients who were only treated conventional treatment. But all results were not significant statistically. Conclusions: Emotional well-being tends to improve after training, but this study cannot proved Taichichuan training improve quality of life in cancer patients. Well designed advanced study will be needed to prove its benefits.