1, different in nature: social security fund is a social security fund paid by the state and enterprises in a certain proportion, which aims to protect the basic social insurance rights and interests of employees, including endowment insurance, medical insurance, work injury insurance, unemployment insurance and maternity insurance. Pension fund is a kind of fund jointly funded by the state and society, which is specially used to solve the problem of old-age care, and is mainly used to pay pensions for retirees.

2. Different purposes: Social security funds are mainly used to pay social insurance benefits for employees, such as pensions and medical expenses. Pension funds are mainly used to pay pensions for retirees and ensure their basic livelihood.

3. Different management methods: the social security fund is jointly managed by the state and enterprises, and the social security fund management institution is the social security fund management center. The pension fund is jointly managed by the state and society, and the pension fund management institution is the National Social Security Fund Council.

4. Different payment standards: the payment standards of social security funds are stipulated by the state, and enterprises and employees pay according to the prescribed proportion. The payment standard of pension funds is also stipulated by the state, but the specific payment ratio and amount can be freely adjusted according to individual circumstances.

The social security payment period is stipulated as follows:

1, the cumulative payment period of medical insurance (including the deemed payment period and actual payment period in this city) shall be 30 years for men and 25 years for women;

2. The social insurance plan is organized by the government, forcing a certain group to use part of its income as social insurance tax to form a social insurance fund, from which the insured can obtain fixed income and loss compensation;

3. Pay the basic old-age insurance premium 15 years and the basic medical insurance premium for 20 years in the same city. When retiring, it will be calculated according to the standard of the city where the payment is made;

4 to participate in the basic old-age insurance, individuals who have reached the statutory retirement age and accumulated contributions for fifteen years, receive the basic pension on a monthly basis.

To sum up, social security fund and pension fund are both important parts of the national social security system, but there are some differences in nature, use, management methods and payment standards.

Legal basis:

Article 84 of the Social Insurance Law of People's Republic of China (PRC)

If the employer fails to apply for social insurance registration, the social insurance administrative department shall order it to make corrections within a time limit; If no correction is made within the time limit, the employer shall be fined between one and three times the amount of social insurance premiums payable, and the directly responsible person in charge and other directly responsible personnel shall be fined between 500 yuan and 3,000 yuan.

Article 86

If the employer fails to pay the social insurance premium in full and on time, the social insurance premium collection agency shall order it to pay it within a time limit or make up for it, and from the date of default, an overdue fine of 5/10000 shall be added daily; Failing to pay within the time limit, the relevant administrative departments shall impose a fine of more than one time and less than three times the amount owed.