This book brings together the new trends, new knowledge, new methods and new tools in the development of e-commerce in China and global and appropriately expounds the basic concepts and cultural concepts of e-commerce from the perspective of e-commerce basic knowledge and e-commerce culture. The key technology involved including e-commerce support, payment, and security is introduced. This book highlights the practical application of the applied psychology of e-commerce in business activities and expounds the system structure, transaction mode, and decision-making strategy paradigm of e-commerce with typical examples. This book helps readers to understand the basic concepts, the latest knowledge and the way of e-commerce development. This book elaborates the theory, specific tools, methods, and practical experience, which can be used as a textbook or professional book for e-commerce courses and also a reference book for interested readers.