1. Legality: Social security funds are established in accordance with national laws and regulations, and are raised, operated, managed and operated in strict accordance with the provisions of the law.

2. Purpose: Social security funds are special funds that must be earmarked for specific purposes and must be raised, used and managed according to specific purposes.

3. Basic nature: Social security funds are the material basis for the smooth implementation of the social security system.

4. Mutuality: In the distribution and redistribution of national income, social security expenses are jointly borne by the state, employers and individuals. The fund comes from social coordination and is used for social members. , embodying the mutual aid and help of "one person for many, all for one".

5. Government intervention: The raising, actuarial calculation and measurement of social security funds all reflect the social security responsibilities and obligations that the government should bear.