No postgraduate major is directly called information management and information system, and it is all about management science and engineering. There is a direction of information management under management science. Management science and engineering, some schools take one exam and some schools take three exams, which is quite complicated. Most schools take three courses, while some schools with a major in science and engineering take one course, such as Harbin Institute of Technology and China University of Science and Technology. There are also schools to choose from, such as Southeast University.