The interest rate of national debt can be inquired according to the following method: 1. Computer use: please log in to the online bank, select "full wealth management bonds" and click "savings bonds" or "counter book-entry bonds" to inquire respectively; 2. Using mobile phone: Please log in to the mobile banking and select the function of "Favorites-Investment and Finance-Bonds" for inquiry. Tips: 1. Savings bonds (Electronic) cannot inquire the interest rate through mobile banking, please inquire through online banking. 2. Voucher-type treasury bonds cannot be queried through online banking or mobile banking. Please refer to the website of the Ministry of Finance.