摘要
The Social security system is a necessary part of market economic system, the social security fund is the basis of running a country social security system. However, the fund of social security of our country has many problems, such as investment channel phase contrast is still relatively narrow, the portfolio is not reasonable enough, external capital market is not perfect and so on.so the social security fund in our country is difficult to achieve effective and value. This article will start from the concept of sustainable development, and hope to find out the existing problems in the process of maintaining and increasing the value of social security funds through combing the basic elements of social security funds.
