The accurate identification of college student microblogs is helpful to location the sources of college student rumors and university public opinion events early, which can gain time for the university tutors and related authorities to take remedial measures and deal with emergencies promptly.It matches the college student microblogs information with the student background information from the university as much as possible, so that the student microblog accounts can be identified in certain area of university.The experiments are performed on three different threshold values, and the results prove the effectiveness of the identification by this loop matching method.