Legal analysis: the ways to rewrite some repaid IOUs are as follows: first, the names of borrowers and lenders should be stated; Secondly, define the loan amount, loan term and repayment term; Indicate the loan interest, specify the annual or monthly interest rate and the final amount to be paid; Explain the time and method of repaying the loan principal; Finally, the borrower should sign and seal.

Legal basis: Civil Code of People's Republic of China (PRC).

Article 667 A loan contract is a contract in which the borrower borrows money from the lender, repays the loan at maturity and pays interest.

Article 668 A loan contract shall be in written form, unless otherwise agreed between natural persons.

The contents of a loan contract generally include terms such as loan type, currency, purpose, amount, interest rate, term and repayment method.

Article 669 When concluding a loan contract, the borrower shall, at the request of the lender, provide the true information about the business activities and financial status related to the loan.