Legal analysis: If the loan amount in the house purchase contract is wrong, you should contact the bank in time to change the loan amount, and the bank staff will verify it. If there are any mistakes, the contract will be re-signed General loan contracts include loan types, loan purposes, amount, interest rate, repayment period, repayment method, liability for breach of contract, etc. Check carefully when signing.

Legal basis: Article 37 of the Law of People's Republic of China (PRC) Commercial Bank, when granting loans, a commercial bank shall conclude a written contract with the borrower. The contract shall stipulate the type, purpose, amount, interest rate, repayment period, repayment method, liability for breach of contract and other matters that both parties think need to be agreed.

Article 543rd of the Civil Code of People's Republic of China (PRC) * * * The parties may modify the contract through consultation.