The book electromagnetic Fields and Waves was First published in 2003 and it well accepted as a textbook by many teachers and students for their bilingual teaching and learning. This book is translated from the second edition of Electromagnetic Fields and Waves (in Chinese) authored by Rugui Yand and published in 2007. In this edition the author revised and updated the text and rearranged some sections, aa summary and may engineering applications are followed after each chapter , which will make the readers understand the easily and be interested in the electromagnetic. This edition is listed by the eleventh five-year national plant of the university textbooks, and won the outstanding textbook award form Southwest Jiaotong University in 2008 and the honors of distinguished textbook from The Ministry of Education of the People s Republic of China in 2008. Therefore, This edition of English version will be a better resource for the bilingual teaching and learning of the electromagnetic.