The invention relates to an online course platform student course selection and management method and system. The method comprises the steps that whether a current user is an administrator or an instructor is judged according to identity information of the current user; when the current user is judged to be the administrator or the instructor, a student list completing course selection is displayed to the current user; and a management operation request of the current user is received, and course selection of students is managed according to the management operation request. Whether the current user is the administrator or the instructor is judged so that only the administrator or the instructor has the authority to manage course selection of the students. When the student list completing course selection is displayed to the current user, the current user can know the students completing course selection. The administrator or the instructor has the authority to control the number of students selecting courses and the authority of the students for course selection according to the actual situation of the courses, and high-efficiency and stable management of student course selection of large-scale online education platforms can be realized by controlling the access flow of the courses.