Yuanji Qiwei was written by NI Weide,a doctor at the end of the Yuan Dynasty.The book is divided into two volumes.The upper volume is divided into 18 categories according to the cause and pathogenesis and the lower volume is attached to the prescriptions,compositions,indications and solutions in detail.There are 15 kinds of treatment methods,such as clearing the liver and reducing fire,dispersing the wind and dissipating the heat,and promoting the blood and nourishing.The monarch,minister,assistant and guide drugs of these prescriptions are clear,paying attention to protecting spleen and stoma...