This book is mainly focused on the clinical application of Shang Han Lun providing the case studies of contemporary Korean medicine doctors and Kampo medicine doctors, in addition to the descriptions of Yakucho. It is more likely pathological approach of Shang Han Lun. This book also provides 76 formulas with the related clauses excerpted from Kang Ping Shang Han Lun to help understand the formulas in the context of the original text. Kang Ping Shang Han Lun is the closest edition to the original. Each formula is also analyzed with modern interpretation of Shang Han Lun in the specific clinical settings.