To change the bank card bound to the student loan, you need to contact the card issuer of the student loan and tell them that you want to change the bound bank card. Then, you should bring the original and copy of your ID card, bank card and student card to the local education bureau or bank to change your bank card.

Then fill in the "Application Form for Change of Student Loan Binding Bank Account" and submit relevant materials. After the staff has passed the examination, they can go through the formalities of changing the binding.