Legal analysis: 1, (individual contribution/individual contribution ratio -400)/ repayment coefficient per 10,000 yuan, with a maximum of 80% of the appraised value of the house to be purchased and a maximum of 800,000 yuan. The maximum credit rating of AA is 920,000, and the maximum credit rating of AAA is10.04 million. At the same time, the maximum loan amount of provident fund loans is limited.

Legal basis: Regulations on the Management of Housing Provident Fund Article 2 These Regulations are applicable to the deposit, withdrawal, use, management and supervision of housing provident fund in People's Republic of China (PRC). The term "housing accumulation fund" as mentioned in these Regulations refers to the long-term housing savings paid by state organs, state-owned enterprises, urban collective enterprises, foreign-invested enterprises, urban private enterprises and other urban enterprises, institutions, private non-enterprise units, social organizations and their employees.