Legal analysis: campus loans are legal as long as they are signed on the basis of mutual willingness and equality, and the annual interest is not higher than 24%. If the annual interest agreement is higher than 24%, the higher part is not protected by law and does not need to be repaid.

Legal basis: the Supreme People's Court's Opinions on People's Courts' Trial of Loan Cases.

Article 10 A loan relationship formed by one party against its true meaning by means of fraud, coercion or taking advantage of others' danger shall be deemed invalid.

Article 11 The lender knows that the borrower's loan is used for illegal activities, and its loan relationship is not protected.