1. Objectives This study is about a "Soyangin" hyperthyroidism patient with palpitation, facial flushing, fatigue, hand tremor and vertigo etc. In this case, we evaluated the effect of Oriental medicine treatment for hyperthyroidism. 2. Methods This patient was treated by Sasang constitutional herbal medication based on "Donguisusebowon". Acupuncture and west medications were used together. We evaluated the clinical progress through two method, Blood Test(T3, Free T4, TSH) and VAS(Visual Analogue Scale). 3. Results During 2months treatment, chief complaints, symptoms and blood test results(T3, Free T4, TSH) of this patient were improved. 4. Conclusion This study shows that Yangkyuksanhwa-tang is an effective treatment for "Soyangin" hyperthyroidism patient.