The advantages of bond funds are 1, low risk and low return. Due to the stable income and low risk of bonds, compared with stock funds, bond funds have low risk but low income. 2, the cost is low. Because bond investment management is not as complicated as stock investment management, the management fee of bond funds is relatively low. 3. Stable income. Investment bonds have regular interest returns and promise to repay the principal and interest at maturity, so the income of bond funds is relatively stable. 4. Pay attention to the current income. Bond funds mainly pursue relatively fixed income in the current period, and lack appreciation potential compared with equity funds, so they are more suitable for investors who are unwilling to take too many risks and seek stable income in the current period. Compared with direct investment bonds, investors' investment in bond funds mainly has the following advantages: 1, with low risk. Bond funds can effectively reduce the risks that a single investor may face when directly investing in a bond by pooling investors' funds for portfolio investment. 2. With the increasing variety of bonds, ordinary investors should not only carefully study the issuers, but also judge the macroeconomic indicators such as interest rate trends, which is often beyond their ability, while investing in bond funds can share the results of expert management. 3. Strong liquidity. If investors invest in illiquid bonds. Only when it matures can it be cashed, but indirectly investing in bonds through bond funds can obtain higher liquidity and can transfer or redeem the bond funds held at any time. Because the risk brought by the stock market shock is too great, they transfer their funds to bond funds through fund conversion and other means.