Legal basis: Article 680 of the Civil Code prohibits high-interest loans, and the loan interest rate shall not violate the relevant provisions of the state.
"Provisions of the Supreme People's Court on Several Issues Concerning the Application of Laws in the Trial of Private Lending Cases" Article 26 If the lender requests the borrower to pay interest at the interest rate agreed in the contract, the people's court shall support it, except that the interest rate agreed by both parties exceeds four times the one-year loan market quotation at the time of the establishment of the contract.