In oriental medicine, Polygalae Radix & Acori Graminei Rhizoma are frequently used materials for the cardiac disorder(palpitaion), brain disorder(sleep disorder, forgetfulness, confused mind, dizziness). Bang-Yak-Hap-Pyun(方藥合編) is widely used for clinical herbal prescription book. In Bang-Yak-Hap-Pyun(方藥合編), Polygalae Radix is usually used 1don(錢)(4g) and Acori Graminei Rhizoma is used 1don(錢)(4g). The most important fact is that, in contrast to most people know that Polygalae Radix & Acori Graminei Rhizoma are used most prescription at the same time, the prescription used Polygalae Radix & Acori Graminei Rhizoma at the same time is merely 3. (Bang-Yak-Hap-Pyun percentage of Polygalae Radix & Acori Graminei Rhizoma is 0.64%). The number of prescription Polygalae Radix & Acori Graminei Rhizoma in Bang-Yak-Hap-Pyun is total 16. 10 in sang-tong(上統), 4 in jung-tong(中統), 2 in ha-tong(下統). The ratio of Polygalae Radix in Bang-Yak-Hap-Pyun is 0.41%~14.28%. And the ratio of Acori Graminei Rhizoma is 4%~16.66%. The mostly quoted medical literature what prescription included Polygalae Radix & Acori Graminei Rhizoma in Bang-Yak-Hap-Pyun is Tae-Pypng-Ha-Jae-Guk-Bang.