Repayment mode and management mode of social security fund. At present, there are three ways to repay the social security fund in the world: the first is the annuity payment system, and more than 90% of the national endowment insurance adopts the annuity payment system; The second guarantee fund is a one-time payment system; The third is the mixed payment system. These three social security fund repayment methods are suitable for different social security projects.

Under normal circumstances, the one-time payment method of the security fund is suitable for the payment of social welfare and social assistance. In social insurance projects, medical insurance and industrial injury insurance also adopt one-time payment; Annuity payment is usually applicable to social security projects such as social endowment insurance and unemployment insurance of social security funds; Mixed payment system is a mixture of annuity payment system and one-time payment system, which is mostly used to supplement the payment of insurance funds. Therefore, the annuity payment system, one-time payment system and mixed payment system of the security fund have their own characteristics, and the security fund is suitable for different social security projects.