1. Social security does not include provident fund. Provident fund is housing provident fund, and social security is the abbreviation of social insurance, including five kinds of old-age insurance, industrial injury insurance, maternity insurance, unemployment insurance and medical insurance. The five insurances and one gold specified in the labor contract proposed by the employer are social security and provident fund.

2. Legal basis: Article 16 of the Regulations on the Administration of Housing Provident Fund

The monthly contribution of employees' housing provident fund is the average monthly salary of employees in the previous year multiplied by the contribution ratio of employees' housing provident fund.

the monthly deposit amount of the housing provident fund paid by the unit for employees is the average monthly salary of the employees in the previous year multiplied by the proportion of the housing provident fund paid by the unit.

Article 18

The contribution ratio of employees and unit housing provident fund shall not be less than 5% of the average monthly salary of employees in the previous year; Conditional cities can appropriately increase the deposit ratio. The specific deposit ratio shall be drawn up by the Housing Provident Fund Management Committee, and shall be submitted to the people's governments of provinces, autonomous regions and municipalities directly under the Central Government for approval after being audited by the people's governments at the corresponding levels.

Second, what are the application conditions for housing provident fund loans

1. Individual urban workers and their units must pay housing provident fund continuously for one year;

2. If the borrower purchases a commercial house, it must have self-raised funds of not less than 3% of the total house price as the down payment of the house;

3. The borrower has stable economic income, good credit and the ability to repay the principal and interest of the loan;

4. If both husband and wife have paid the housing provident fund in full and normally, only one party is allowed to apply for a housing provident fund loan;

5. A family can only apply for a housing provident fund loan to buy a house at the same time;

6. The lender must have permanent residence or valid residence status in the towns of this province;

7. Agree to use the purchased house as collateral.