Legal analysis: It is a kind of instrument to urge the payment of payment. It is a notice used by the payment unit or individual when the payment exceeds the prescribed time limit and fails to pay the payment on time. It is a document commonly used by enterprises when collecting receivables. It has both a business nature and a legal connotation. Generally, it refers to a friendly letter sent by the payee requesting the other party to pay when the business counterparty defaults on payment. A reminder letter can interrupt the statute of limitations. Generally, civil litigation in my country stipulates a three-year statute of limitations. However, if the party asserts its own rights, it can interrupt the statute of limitations and recalculate the three-year period. Sending a reminder letter is also an assertion of rights. It is one of the ways to interrupt the statute of limitations and extend the litigation time.

Legal basis: Article 675 of the "People's Republic of China and Civil Code" The borrower shall repay the loan within the agreed time limit. If there is no agreement on the loan period or the agreement is unclear, and it cannot be determined according to the provisions of Article 510 of this Law, the borrower may return it at any time; the lender may urge the borrower to return it within a reasonable period of time.