1. The student loan institution is the institution responsible for issuing and recovering student loans. Without the institution number, it is impossible to accurately record and track the student loan information;

2. The number of the student loan institution is a unique identifier, which is used to distinguish different student loan institutions;

3. The number of the lending institution is empty, so it is impossible to identify the lending institution, which will lead to data confusion, unable to accurately record the loan information, and affect the loan repayment.