This book is a Chinese-English bilingual teaching material for use in the courses of "Electronic and CircuitFoundation" ,"Fundamentals of Analog Circuits" for electronic and information professions, which is taught byEnglish mainly or Chinese and English both. This book is designed with valuable teaching experience from theteachers of "Electronic and Circuit Foundation" in the International School of Beijing University of Posts and Telecommunications. This book is designed concisely and gives more attention to the contents and teaching plan for Chinese tradition and is suitable for teaching and experimenting within 40~68 hours.