Legal analysis: If it is impossible to get a loan after signing the house purchase contract, the buyer can pay off the remaining house price in one lump sum, or apply for a new loan after reducing the loan amount, providing other collateral or changing the lender.

Legal basis: People's Republic of China (PRC) Commercial Bank Law.

Article 35 A commercial bank shall strictly examine the borrower's loan purpose, repayment ability and repayment method. Commercial bank loans shall be subject to the system of separating loan review from grading approval.

Article 36 When a commercial bank lends money, the borrower shall provide guarantee. Commercial banks should strictly examine the repayment ability of guarantors, the ownership and value of collateral, and the feasibility of realizing collateral. After examination and evaluation by a commercial bank, it is confirmed that the borrower has a good credit standing and can repay the loan, and no guarantee may be provided.