Legal analysis: 1. Write the title right on the top of the paper: Installment Repayment Agreement. 2. It is necessary to indicate how many units Party B still owes Party A as of the date of signing the agreement, after confirmation by both parties. 3. Write the personal signatures of both parties A and B and indicate Party A as the creditor and Party B as the debtor. 4. Party B must indicate that it is unable to repay all the money owed to Party A at once, and sign an installment repayment agreement after friendly negotiation with Party A and the consent of both parties. 5. This is also the most important step, that is, after both parties reach an agreement, it is stipulated that Party B must repay all the money owed to Party A in several installments, and indicate the agreed repayment time for each installment, and agree to repay Party A for each installment. The amount and the unit in which the amount is settled (for example, if it is RMB, the three characters RMB must be written). 6. Both Party A and Party B must indicate the relevant security regulations in the agreement; Party A's regulations must indicate that this agreement should be properly kept and that the agreement cannot be damaged or lost. After Party B pays off all the money to Party A as required, Party A must return the IOU to Party A. Return it to Party B. Party A shall not ask Party B for the debt before the repayment time of each installment is due; Party B's regulations must indicate that it must repay Party A on time according to the agreed repayment date of each installment. 7. It is necessary to indicate the time when the agreement will take effect (for example, there should be words such as "effective from the date of signing of this agreement"). 8. The agreement signed by Party A and Party B must be printed in two copies, one in the hands of Party A and one in the hands of Party B. Finally, both parties A and B each write down their signatures and signing date.

Legal basis: "The People's Republic of China and the Civil Code" Article 470 The content of the contract is agreed upon by the parties and generally includes the following clauses:

(1) The parties' Name or title and address;

(2) Subject matter;

(3) Quantity;

(4) Quality;

( 5) Price or remuneration;

(6) Time limit, place and method of performance;

(7) Liability for breach of contract;

(8) Methods to resolve disputes .

The parties may conclude a contract by referring to the model texts of various types of contracts.