When a lender applies for a housing provident fund loan, it needs to submit a written application to the bank, fill in the housing provident fund loan application form and truthfully provide the following information: the applicant's and spouse's housing provident fund deposit certificate; Identity certificates of the applicant and spouse (referring to valid residence certificates such as resident identity card and permanent residence booklet) and proof of marital status; Proof of stable family income and other proof of creditor's rights and debts that have an impact on repayment ability; Valid documents such as purchase contract and agreement; Collateral, pledge list, certificate of ownership, certificate of consent of the authorized disposition to mortgage and pledge, and certificate of collateral valuation issued by relevant departments; The provident fund center requires the third-party guarantor to provide guarantee and pay the guarantee fee, and the borrower, the lender and the third-party guarantor * * * sign a tripartite contract; Other information required by the provident fund center.