Legal analysis: Alipay IOUs are different from the usual IOUs, not written IOUs, but electronic IOUs, which are protected by law. Need to open Alipay, click "Friends" in the following four new options; Choose a way to add friends and add friends we want to borrow; After adding this friend, find the "IOU" option and click Open; Click the Open IOU option to enter the IOU management interface, set the loan amount and repayment period, and then click the IOU button; Click the button of debit memo, and the prompt window of "Setting Automatic Deduction" will pop up. Click OK, and then the other party will receive the message of borrowing money from him, and he will complete the borrowing operation after confirmation. Alipay IOUs are different from the usual IOUs, not handwritten IOUs, but electronic IOUs.

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.