Provident fund is a public housing provident fund paid by employees (units) according to the proportion of wages. It is mandatory, welfare, security and mutual assistance. The paid provident fund belongs to individual employees and no one else has the right to use it. The main purposes of the provident fund are: buying, building, rebuilding and overhauling self-occupied houses, repaying the principal and interest of home purchase loans, and subsidizing the rent that exceeds the family wage income. In actual use: 1. When you need to buy a house and need a loan, you can apply for a loan (up to 300,000 or 200,000) according to n times of the balance in the provident fund account as long as you pay the provident fund normally for more than one year (half a year in some places) and the loan interest rate is about 30% lower than that of the commercial mortgage. 2. When building, renovating or overhauling self-owned housing, you can apply to the provident fund management center for withdrawal of the provident fund with relevant supporting documents and materials. 3 housing loans (including commercial mortgage housing loans), during the repayment period, you can use the relevant information to withdraw the provident fund to repay the loan principal and interest. 4. If your house is leased, when the monthly rent exceeds the family wage income and affects the normal expenditure, you can apply for drawing provident fund to subsidize the rent. The withdrawal and use of the provident fund must be related to housing, otherwise it can't be withdrawn (it can't be fully withdrawn until you retire and settle abroad).