Objective: The purpose of this study is to inspect recovery state of patients suffering from nausea and vomiting, who received auricular acupuncture. On the other hand, we are going to examine effects of auricular acupuncture through the study of treatises on nausea and vomiting. Nausea and vomiting are ordinary symptoms of dispositional or functional disease. The symptoms often appear without obvious disorders that can be detected on various inspection. Methods: Auricular acupuncture needling was given to the patients who had reported the symptoms of nausea and vomiting. They were hospitalized at the korean oriental internal medicine of National Medical Center from Dec. 2002 to Aug. 2003. Result: Relatively quick response of treatment was acquired after auricular acupuncture on nausea and vomiting. Conclusion: This study shows that auricular acupuncture is effective in reducing nausea and vomiting without regard to causal disease.