Bond fund is a kind of fund, which mainly invests in bonds. The proportion of bond investment is not less than 80% of the fund's assets, and the risk and income of the fund are determined by the bonds invested.

Fixed investment of funds is a strategy of investment funds. The fixed investment of the fund is the fixed purchase of the fund in a specified period. Investors can set the conditions for fixed investment according to their own conditions. After the fixed investment is set, the system will purchase the fund according to the set conditions. It should be noted that the foundation invests in funds with relatively large fluctuations.