Based on the required knowledge and skills of textbook of pharmacy specialty, it emphatically introduces the fundamental principles, the basic knowledge and skills of various chemical components of natural medicines such as structures, characters, extraction separation and structure analysis. It contains 6 moduleslearning targets, classroom interaction, instance analysis, knowledge linking, linking of test items and comprehensive test. The book contains the latest development of researches on natural medicinal chemistry and reflects the brand new disciplinary researches which widen students' knowledge and inspire innovative thoughts.