Open-end funds are domestic and foreign mutual funds that investors buy and sell directly from fund companies (hereinafter referred to as "investment trust companies") or through bank trust departments, that is, investors can buy and sell from fund companies according to their net value every trading day. The number of units issued will increase or decrease as investors buy and sell. Corresponding closed-end funds.

Bond fund is a kind of securities investment fund with bonds as its investment object. It seeks stable returns by pooling the funds of many investors. Bond Fund A fund that mainly invests in fixed-income financial instruments such as government bonds and financial bonds is called a bond fund, and it is also called a "fixed-income fund" because the product income it invests in is relatively stable. According to the proportion of investment in stocks, bond funds can be divided into pure bond funds and partial debt funds. The difference between the two is that pure debt funds do not invest in stocks, while partial debt funds can invest in a small number of stocks. The advantage of the partial debt fund is that it can flexibly allocate assets according to the trend of the stock market and share the opportunities brought by the stock market while controlling risks. Generally speaking, bond funds do not charge subscription or subscription fees, and the redemption rate is also low.

In fact, these two funds are classified according to different standards.