1. Objectives Purpose of this case is to evaluate the effect of Soyangin Yangkyuksanhwa-tang on the hemichorea caused by hypothalamic infarction. 2. Methods The patient was treated with Yangkyuksanhwa-tang, acupuncture treatment and western medicine. The symptom changes of his hemichorea symptoms were evaluated in hospital. 3. Results and Conclusions After we treated him with Yangkyuksanhwa-tang, his symptoms were decreased.