The course of Veterinary Internal Medicine (VIM) is one of the most important Special Core Courses for the undergraduate students in the major of Veterinary Medicine. VIM is going to offer the undergraduates unparalleled coverage of pathophysiology, diagnosis, and treatment of diseases affecting domestic animals, including dogs and cats in the systems of digestion, respiration, nerve, blood, cardiovascular, urinary, and metabolism etc.. VIM focuses on the clinical manifestations of disease and approaching disease in terms of the organ system involved, because animals should be evaluated in terms of presenting sign, not on the basis of disease. The students who finish and pass the whole process of studying VIM both theoretically and practically will be with a ready flowchart for aid in the identification and decision-making of each disease anticipated in domestic animal medicine. Meanwhile those students’ veterinary English level will be significantly improved.