2. Bond funds, also known as bond funds, refer to funds that invest in bonds. By pooling the funds of many investors, they make portfolio investments in bonds and seek relatively stable returns. According to the classification standard of China Securities Regulatory Commission, bond funds refer to funds with more than 80% of fund assets invested in bonds. Bond funds can also put a small amount of money into the stock market. In addition, investing in convertible bonds and issuing new shares are also important channels for bond funds to obtain income.