This book provides a comprehensive coverage of the advances in medicinal plant disease survey, a part of medicinal resource investigation of China. In this book, the diseases of medicinal plants were systematically investigated and described for the first time. The occurrence, epidemiology, pathogen and control methods were fully elucidated. Additionally, thousands of high resolution pictures were also attached for demonstration. The book is likely to be of interest to university researchers, graduate students in plant protection, experts and technicians in medicinal plants industry.