Relatives of student loans need to bring household registration books as guarantors. The materials to be prepared for handling the national student loan generally include: the application form for the national student loan, the admission notice (or student ID card), the resident ID card and household register of the student and his legal guardian, the guarantor's household register, a description of the family's financial difficulties, and a certificate of family financial difficulties issued by the township or street civil affairs department where the family is located. Therefore, relatives of student loans need to bring their household registration books as guarantors.