If I use my housing provident fund to apply for a housing provident fund loan, the maximum loan amount is 400,000 yuan. At the same time, if the spouse's housing provident fund is used to apply for housing provident fund loans, the maximum loan amount is 600,000 yuan. If I use my housing provident fund to apply for a housing provident fund loan, I will normally pay the supplementary housing provident fund when applying for a loan, and the maximum loan amount is 500,000 yuan. At the same time, if the spouse's housing provident fund is used to apply for a housing provident fund loan, and the spouse or I normally pay a supplementary housing provident fund when applying for a loan, the maximum loan amount is 700,000 yuan.