Customers who repay the loan in advance need to submit a written application one week to one month in advance to agree on the repayment date. The policy of early repayment of mortgage loans of Shenyang Construction Bank is that customers who repay loans in advance need to submit a written application one week to one month in advance, agree on the repayment date, and bring their ID cards to the bank outlets at the agreed time to settle the loan business. Mortgage refers to housing loan. Housing loan, also known as housing mortgage loan, is an application form for housing mortgage loan filled out by the buyer to the loan bank, and provides documents that must be submitted according to legal documents, such as ID card, income certificate, housing sales contract and guarantee.