MD MS courses are the most popular postgraduate study program for medical students. While pursuing MD vs MS courses many of the students get confused about what to choose. These both the courses are distinguished from each other. MD is a Doctor of Medicine while MS is a Master Of Surgery. MD course is pursued by the students who want to become physicians and MS is pursued by the students who want to become surgeons. MD does not deal with tools and equipment while MS deals with tools and equipment to treat the patients.