legal ground
Article 2 of the Notice of the People's Bank of China on Banning Underground Banks and Combating usury.
Strictly regulate private lending behavior. Private individual lending activities must strictly abide by the relevant provisions of national laws and administrative regulations, and follow the principles of voluntary mutual assistance, honesty and credit. In private individual lending, the lender's funds must be its own monetary funds belonging to its legitimate income, and it is forbidden to absorb other people's funds and transfer them to others for lending. The interest rate of private personal loans shall be determined by both borrowers and borrowers through consultation, but the interest rate determined through consultation between the two parties shall not exceed 4 times of the loan interest rate of financial institutions of the same grade in the same period announced by the People's Bank of China (excluding floating). Those who exceed the above standards should be defined as high-interest loans.