Comprehensive content: nearly 500 articles covering all aspects of gastroenterology theory and practice; Author's major: it embodies the painstaking efforts of dozens of authors, who come from different countries and different jobs, are engaged in basic research or clinical diagnosis and treatment, and are all outstanding experts in the field of gastrointestinal diseases; Wide readership: no matter doctors, researchers, teachers or students, whether engaged in immunology, physiology, endocrinology or hepatology research, this book will benefit you a lot; Reasonable structure: the content is concise, the arrangement is reasonable, and it is more convenient for readers to consult. In order to adapt to the reading habits of domestic readers, the book is divided into 10 volumes according to different themes, which is more targeted; Vivid and detailed: it contains a large number of charts, which not only expands the content, but also makes it easier to understand; Chinese Annotation: Dozens of doctors in China have translated and annotated the preface, catalogue, vocabulary, title, illustrations, table notes and other key points of the original book in Chinese, which is more convenient for domestic readers to read.