Legal analysis: Social security fund is the abbreviation of social labor security fund, also referred to as "social security fund". The funds raised by the state and local social labor and social security bureaus through various channels are mainly used for the social security and social welfare of workers participating in social security. It is a "pension" that provides the most basic guarantee for the insured's future life, and it is a "life-saving money" for accidental rescue or treatment in future life. The social security fund is converted into an investment fund by the relevant state and local administrative departments in accordance with the operating procedures allowed by the norms, also known as the "social security fund".

Legal basis: Regulations of the State Council on National Social Security Fund.

Article 2 The State establishes the National Social Security Fund. The National Social Security Fund consists of funds allocated by the central budget, state-owned capital transfer, fund investment income and other means approved by the State Council.

Article 3 The national social security fund is the national social security reserve fund, which is used to supplement and adjust social security expenditures such as endowment insurance during the peak period of population aging.