Mortgage loan, also known as house mortgage loan. Mortgage means that the buyer fills in an application for mortgage loan to the bank and provides legal documents such as ID card, income certificate, house sales contract and guarantee letter. The bank promises to issue loans to the buyer after passing the examination, and handle real estate mortgage registration and notarization according to the house sales contract provided by the buyer and the mortgage loan contract concluded between the bank and the buyer. The bank directly transfers the loan funds to the seller's account within the time limit stipulated in the contract.