Legal analysis: Generally, the term of mortgage loan for individual house purchase is more than one year, so one of the repayment methods is the equal principal and interest repayment method, that is, from the second month of using the loan, the loan principal and interest will be repaid in equal amount every month. The calculation formula is as follows: monthly repayment amount = loan principal, where: repayment period = loan cycle × 12 If the commercial loan is 200,000 yuan and the loan cycle is 15 years, the monthly repayment amount is: monthly interest rate is 5.04%12 = 4.2 ‰. The repayment period is15×12 =18020000× 4.2 ‰× (1+4.2), that is, the borrower repays the bank 1642.66 yuan per month,1.

Legal basis: Interim Measures for the Administration of Personal Loans Article 38 The lender shall, in accordance with the provisions of laws and regulations and the provisions of the loan contract, hold the borrower liable for breach of contract for failing to provide true and complete information as agreed in the contract and failing to use and pay the loan as agreed in the contract.