Index fund refers to an investment fund that takes the price index of a securities market as the investment object. The advantages of index funds are as follows: 1. Low rate: the subscription and redemption rate of general stock funds is 1- 1.5%, and that of index funds is 0.5-1.2%; 2. Long-term investment has low risk and excellent return. Disadvantages are as follows: 1 Compared with the money fund, it is more volatile and risky; 2. If you quit (sell) at a low price in advance, it is easy to lose money. (The above content is only applicable to Guangdong Unicom users)