There are five ways to repay the national debt: gradual repayment by stages, repayment by batches, repayment at maturity, repayment by market purchase and sale, and repayment by replacing the old with the new.

I. Definition: Repaying the national debt refers to the government's behavior of paying the principal and interest of the due national debt according to the agreement, which is the end point of the national debt operation.

Second, the repayment method of national debt: although the principal and interest are fixed, when and which method to take can be chosen. What method will promote the development of the national economy or adapt to the financial situation is the main foothold for determining the repayment method.

Three. Sources of funds for repayment of national debt: No matter which repayment method is adopted, national debt must have certain sources of funds, which generally include the following: (1) Recurrent budget revenue is used to arrange debts payable in the current year. (2) The budget surplus is used to repay the principal and interest of the national debt with the balance of the budget revenue and expenditure of the previous year. (3) Borrowing new debt to replace old debt and issuing new debt. (4) Set up a special fund in the sinking fund budget to repay the national debt.