This textbook is characterized by its well-arranged contexts, well focused on key points of knowledge and its simplicity in the English language based on the author’s experiences of education. This textbook fits the demand of students who are major in clinical medicine, Stomatological medicine, public Healthy Science, Laboratory Medicine and Pharmaceutical Science. This textbook will serve as a reference for people who intend to improve their Medicine English Level. Due of the authors have been paying much attention and trying best to avoid them. Please do not hesitate to point out any errors during you use this textbook, and wer appreciated any corrections and criticisms.