Under the leadership of Institute Party committee and the guidance of Institute graduate department, the SIOM Student Union is the student organization that carries out self-education, self-management, self-service and self-supervision on behalf of all graduate students. Postgraduate Union actively organizes and develops verities of colorful activities, and build a bridge of communication with leadership. Meanwhile on the basis of strengthening self-construction, they also represent the graduate students to develop friendly relations with postgraduate union of other universities and research institutes.